Home / 15,951.53-22,020.66-10,649.88

Finding the Fourth Proportional to 15,951.53, 22,020.66 and 10,649.88

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Solution

The fourth proportional to 15,951.53, 22,020.66 and 10,649.88 is: 14,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.53 : 22,020.66 = 10,649.88 : x
  2. Step 2: Convert to fraction form
    15,951.53/22,020.66 = 10,649.88/x
  3. Step 3: Cross multiply
    15,951.53x = 22,020.66 × 10,649.88
  4. Step 4: Simplify right side
    15,951.53x = 234,517,386.52
  5. Step 5: Solve for x
    x = 234,517,386.52/15,951.53
  6. Step 6: Final answer
    x = 14,701.87

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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.