Home / 15,905.48-23,869.13-5,517.23

Finding the Fourth Proportional to 15,905.48, 23,869.13 and 5,517.23

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Solution

The fourth proportional to 15,905.48, 23,869.13 and 5,517.23 is: 8,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.48 : 23,869.13 = 5,517.23 : x
  2. Step 2: Convert to fraction form
    15,905.48/23,869.13 = 5,517.23/x
  3. Step 3: Cross multiply
    15,905.48x = 23,869.13 × 5,517.23
  4. Step 4: Simplify right side
    15,905.48x = 131,691,333.18
  5. Step 5: Solve for x
    x = 131,691,333.18/15,905.48
  6. Step 6: Final answer
    x = 8,279.62

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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.