Home / 15,916.53-21,964.76-8,843.61

Finding the Fourth Proportional to 15,916.53, 21,964.76 and 8,843.61

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Solution

The fourth proportional to 15,916.53, 21,964.76 and 8,843.61 is: 12,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.53 : 21,964.76 = 8,843.61 : x
  2. Step 2: Convert to fraction form
    15,916.53/21,964.76 = 8,843.61/x
  3. Step 3: Cross multiply
    15,916.53x = 21,964.76 × 8,843.61
  4. Step 4: Simplify right side
    15,916.53x = 194,247,726.97
  5. Step 5: Solve for x
    x = 194,247,726.97/15,916.53
  6. Step 6: Final answer
    x = 12,204.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.