Home / 15,747.52-21,724.32-10,160.32

Finding the Fourth Proportional to 15,747.52, 21,724.32 and 10,160.32

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Solution

The fourth proportional to 15,747.52, 21,724.32 and 10,160.32 is: 14,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.52 : 21,724.32 = 10,160.32 : x
  2. Step 2: Convert to fraction form
    15,747.52/21,724.32 = 10,160.32/x
  3. Step 3: Cross multiply
    15,747.52x = 21,724.32 × 10,160.32
  4. Step 4: Simplify right side
    15,747.52x = 220,726,042.98
  5. Step 5: Solve for x
    x = 220,726,042.98/15,747.52
  6. Step 6: Final answer
    x = 14,016.56

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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.