Home / 10,908.20-15,053.10-6,432.14

Finding the Fourth Proportional to 10,908.20, 15,053.10 and 6,432.14

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Solution

The fourth proportional to 10,908.20, 15,053.10 and 6,432.14 is: 8,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.20 : 15,053.10 = 6,432.14 : x
  2. Step 2: Convert to fraction form
    10,908.20/15,053.10 = 6,432.14/x
  3. Step 3: Cross multiply
    10,908.20x = 15,053.10 × 6,432.14
  4. Step 4: Simplify right side
    10,908.20x = 96,823,646.63
  5. Step 5: Solve for x
    x = 96,823,646.63/10,908.20
  6. Step 6: Final answer
    x = 8,876.23

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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.