Home / 15,310.64-22,971.92-12,376.41

Finding the Fourth Proportional to 15,310.64, 22,971.92 and 12,376.41

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Solution

The fourth proportional to 15,310.64, 22,971.92 and 12,376.41 is: 18,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.64 : 22,971.92 = 12,376.41 : x
  2. Step 2: Convert to fraction form
    15,310.64/22,971.92 = 12,376.41/x
  3. Step 3: Cross multiply
    15,310.64x = 22,971.92 × 12,376.41
  4. Step 4: Simplify right side
    15,310.64x = 284,309,838.53
  5. Step 5: Solve for x
    x = 284,309,838.53/15,310.64
  6. Step 6: Final answer
    x = 18,569.43

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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.