Home / 13,775.26-19,010.01-7,487.65

Finding the Fourth Proportional to 13,775.26, 19,010.01 and 7,487.65

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Solution

The fourth proportional to 13,775.26, 19,010.01 and 7,487.65 is: 10,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.26 : 19,010.01 = 7,487.65 : x
  2. Step 2: Convert to fraction form
    13,775.26/19,010.01 = 7,487.65/x
  3. Step 3: Cross multiply
    13,775.26x = 19,010.01 × 7,487.65
  4. Step 4: Simplify right side
    13,775.26x = 142,340,301.38
  5. Step 5: Solve for x
    x = 142,340,301.38/13,775.26
  6. Step 6: Final answer
    x = 10,333.04

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Find fourth proportional to 6,887.63, 9,505.01 and 3,743.83
Half scale
Find fourth proportional to 27,550.52, 38,020.02 and 14,975.30
Double scale
Find fourth proportional to 13,776.26, 19,011.39 and 7,488.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.