Home / 15,126.60-22,693.31-8,469.77

Finding the Fourth Proportional to 15,126.60, 22,693.31 and 8,469.77

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Solution

The fourth proportional to 15,126.60, 22,693.31 and 8,469.77 is: 12,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.60 : 22,693.31 = 8,469.77 : x
  2. Step 2: Convert to fraction form
    15,126.60/22,693.31 = 8,469.77/x
  3. Step 3: Cross multiply
    15,126.60x = 22,693.31 × 8,469.77
  4. Step 4: Simplify right side
    15,126.60x = 192,207,039.83
  5. Step 5: Solve for x
    x = 192,207,039.83/15,126.60
  6. Step 6: Final answer
    x = 12,706.56

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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.