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Finding the Fourth Proportional to 14,959.29, 22,437.18 and 3,865.11

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Solution

The fourth proportional to 14,959.29, 22,437.18 and 3,865.11 is: 5,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.29 : 22,437.18 = 3,865.11 : x
  2. Step 2: Convert to fraction form
    14,959.29/22,437.18 = 3,865.11/x
  3. Step 3: Cross multiply
    14,959.29x = 22,437.18 × 3,865.11
  4. Step 4: Simplify right side
    14,959.29x = 86,722,168.79
  5. Step 5: Solve for x
    x = 86,722,168.79/14,959.29
  6. Step 6: Final answer
    x = 5,797.21

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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.