Home / 19,351.70-29,010.27-7,656.92

Finding the Fourth Proportional to 19,351.70, 29,010.27 and 7,656.92

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Solution

The fourth proportional to 19,351.70, 29,010.27 and 7,656.92 is: 11,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.70 : 29,010.27 = 7,656.92 : x
  2. Step 2: Convert to fraction form
    19,351.70/29,010.27 = 7,656.92/x
  3. Step 3: Cross multiply
    19,351.70x = 29,010.27 × 7,656.92
  4. Step 4: Simplify right side
    19,351.70x = 222,129,316.57
  5. Step 5: Solve for x
    x = 222,129,316.57/19,351.70
  6. Step 6: Final answer
    x = 11,478.54

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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.