Home / 15,129.50-22,694.85-5,269.77

Finding the Fourth Proportional to 15,129.50, 22,694.85 and 5,269.77

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Solution

The fourth proportional to 15,129.50, 22,694.85 and 5,269.77 is: 7,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.50 : 22,694.85 = 5,269.77 : x
  2. Step 2: Convert to fraction form
    15,129.50/22,694.85 = 5,269.77/x
  3. Step 3: Cross multiply
    15,129.50x = 22,694.85 × 5,269.77
  4. Step 4: Simplify right side
    15,129.50x = 119,596,639.68
  5. Step 5: Solve for x
    x = 119,596,639.68/15,129.50
  6. Step 6: Final answer
    x = 7,904.87

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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.