Home / 13,020.26-19,532.43-4,253.14

Finding the Fourth Proportional to 13,020.26, 19,532.43 and 4,253.14

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Solution

The fourth proportional to 13,020.26, 19,532.43 and 4,253.14 is: 6,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.26 : 19,532.43 = 4,253.14 : x
  2. Step 2: Convert to fraction form
    13,020.26/19,532.43 = 4,253.14/x
  3. Step 3: Cross multiply
    13,020.26x = 19,532.43 × 4,253.14
  4. Step 4: Simplify right side
    13,020.26x = 83,074,159.33
  5. Step 5: Solve for x
    x = 83,074,159.33/13,020.26
  6. Step 6: Final answer
    x = 6,380.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.