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Finding the Fourth Proportional to 17,693.19, 24,418.98 and 11,423.79

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Solution

The fourth proportional to 17,693.19, 24,418.98 and 11,423.79 is: 15,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.19 : 24,418.98 = 11,423.79 : x
  2. Step 2: Convert to fraction form
    17,693.19/24,418.98 = 11,423.79/x
  3. Step 3: Cross multiply
    17,693.19x = 24,418.98 × 11,423.79
  4. Step 4: Simplify right side
    17,693.19x = 278,957,299.53
  5. Step 5: Solve for x
    x = 278,957,299.53/17,693.19
  6. Step 6: Final answer
    x = 15,766.37

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Half scale
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Double scale
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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.