Home / 15,446.64-23,171.76-5,590.56

Finding the Fourth Proportional to 15,446.64, 23,171.76 and 5,590.56

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Solution

The fourth proportional to 15,446.64, 23,171.76 and 5,590.56 is: 8,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.64 : 23,171.76 = 5,590.56 : x
  2. Step 2: Convert to fraction form
    15,446.64/23,171.76 = 5,590.56/x
  3. Step 3: Cross multiply
    15,446.64x = 23,171.76 × 5,590.56
  4. Step 4: Simplify right side
    15,446.64x = 129,543,114.59
  5. Step 5: Solve for x
    x = 129,543,114.59/15,446.64
  6. Step 6: Final answer
    x = 8,386.49

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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.