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Finding the Fourth Proportional to 18,073.25, 24,941.65 and 10,115.46

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Solution

The fourth proportional to 18,073.25, 24,941.65 and 10,115.46 is: 13,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.25 : 24,941.65 = 10,115.46 : x
  2. Step 2: Convert to fraction form
    18,073.25/24,941.65 = 10,115.46/x
  3. Step 3: Cross multiply
    18,073.25x = 24,941.65 × 10,115.46
  4. Step 4: Simplify right side
    18,073.25x = 252,296,262.91
  5. Step 5: Solve for x
    x = 252,296,262.91/18,073.25
  6. Step 6: Final answer
    x = 13,959.65

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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.