Home / 15,046.72-22,572.81-8,476.61

Finding the Fourth Proportional to 15,046.72, 22,572.81 and 8,476.61

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Solution

The fourth proportional to 15,046.72, 22,572.81 and 8,476.61 is: 12,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.72 : 22,572.81 = 8,476.61 : x
  2. Step 2: Convert to fraction form
    15,046.72/22,572.81 = 8,476.61/x
  3. Step 3: Cross multiply
    15,046.72x = 22,572.81 × 8,476.61
  4. Step 4: Simplify right side
    15,046.72x = 191,340,794.11
  5. Step 5: Solve for x
    x = 191,340,794.11/15,046.72
  6. Step 6: Final answer
    x = 12,716.45

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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.