Home / 15,139.52-22,694.02-9,521.21

Finding the Fourth Proportional to 15,139.52, 22,694.02 and 9,521.21

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Solution

The fourth proportional to 15,139.52, 22,694.02 and 9,521.21 is: 14,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.52 : 22,694.02 = 9,521.21 : x
  2. Step 2: Convert to fraction form
    15,139.52/22,694.02 = 9,521.21/x
  3. Step 3: Cross multiply
    15,139.52x = 22,694.02 × 9,521.21
  4. Step 4: Simplify right side
    15,139.52x = 216,074,495.85
  5. Step 5: Solve for x
    x = 216,074,495.85/15,139.52
  6. Step 6: Final answer
    x = 14,272.21

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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.