Home / 10,908.66-15,053.24-6,432.20

Finding the Fourth Proportional to 10,908.66, 15,053.24 and 6,432.20

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Solution

The fourth proportional to 10,908.66, 15,053.24 and 6,432.20 is: 8,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.66 : 15,053.24 = 6,432.20 : x
  2. Step 2: Convert to fraction form
    10,908.66/15,053.24 = 6,432.20/x
  3. Step 3: Cross multiply
    10,908.66x = 15,053.24 × 6,432.20
  4. Step 4: Simplify right side
    10,908.66x = 96,825,342.90
  5. Step 5: Solve for x
    x = 96,825,342.90/10,908.66
  6. Step 6: Final answer
    x = 8,876.01

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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.