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Finding the Fourth Proportional to 17,343.74, 23,934.18 and 9,385.80

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Solution

The fourth proportional to 17,343.74, 23,934.18 and 9,385.80 is: 12,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.74 : 23,934.18 = 9,385.80 : x
  2. Step 2: Convert to fraction form
    17,343.74/23,934.18 = 9,385.80/x
  3. Step 3: Cross multiply
    17,343.74x = 23,934.18 × 9,385.80
  4. Step 4: Simplify right side
    17,343.74x = 224,641,426.64
  5. Step 5: Solve for x
    x = 224,641,426.64/17,343.74
  6. Step 6: Final answer
    x = 12,952.31

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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.