Home / 15,381.66-23,072.49-11,007.66

Finding the Fourth Proportional to 15,381.66, 23,072.49 and 11,007.66

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Solution

The fourth proportional to 15,381.66, 23,072.49 and 11,007.66 is: 16,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.66 : 23,072.49 = 11,007.66 : x
  2. Step 2: Convert to fraction form
    15,381.66/23,072.49 = 11,007.66/x
  3. Step 3: Cross multiply
    15,381.66x = 23,072.49 × 11,007.66
  4. Step 4: Simplify right side
    15,381.66x = 253,974,125.27
  5. Step 5: Solve for x
    x = 253,974,125.27/15,381.66
  6. Step 6: Final answer
    x = 16,511.49

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Double scale
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Similar ratio
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1.5x scale

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.