Home / 15,167.60-22,749.28-5,809.96

Finding the Fourth Proportional to 15,167.60, 22,749.28 and 5,809.96

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Solution

The fourth proportional to 15,167.60, 22,749.28 and 5,809.96 is: 8,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.60 : 22,749.28 = 5,809.96 : x
  2. Step 2: Convert to fraction form
    15,167.60/22,749.28 = 5,809.96/x
  3. Step 3: Cross multiply
    15,167.60x = 22,749.28 × 5,809.96
  4. Step 4: Simplify right side
    15,167.60x = 132,172,406.83
  5. Step 5: Solve for x
    x = 132,172,406.83/15,167.60
  6. Step 6: Final answer
    x = 8,714.13

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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.