Home / 15,497.60-21,387.07-9,124.52

Finding the Fourth Proportional to 15,497.60, 21,387.07 and 9,124.52

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Solution

The fourth proportional to 15,497.60, 21,387.07 and 9,124.52 is: 12,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.60 : 21,387.07 = 9,124.52 : x
  2. Step 2: Convert to fraction form
    15,497.60/21,387.07 = 9,124.52/x
  3. Step 3: Cross multiply
    15,497.60x = 21,387.07 × 9,124.52
  4. Step 4: Simplify right side
    15,497.60x = 195,146,747.96
  5. Step 5: Solve for x
    x = 195,146,747.96/15,497.60
  6. Step 6: Final answer
    x = 12,592.06

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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.