Home / 15,957.29-22,017.72-9,242.52

Finding the Fourth Proportional to 15,957.29, 22,017.72 and 9,242.52

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Solution

The fourth proportional to 15,957.29, 22,017.72 and 9,242.52 is: 12,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.29 : 22,017.72 = 9,242.52 : x
  2. Step 2: Convert to fraction form
    15,957.29/22,017.72 = 9,242.52/x
  3. Step 3: Cross multiply
    15,957.29x = 22,017.72 × 9,242.52
  4. Step 4: Simplify right side
    15,957.29x = 203,499,217.45
  5. Step 5: Solve for x
    x = 203,499,217.45/15,957.29
  6. Step 6: Final answer
    x = 12,752.74

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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.