Home / 10,927.26-15,079.11-6,451.20

Finding the Fourth Proportional to 10,927.26, 15,079.11 and 6,451.20

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Solution

The fourth proportional to 10,927.26, 15,079.11 and 6,451.20 is: 8,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.26 : 15,079.11 = 6,451.20 : x
  2. Step 2: Convert to fraction form
    10,927.26/15,079.11 = 6,451.20/x
  3. Step 3: Cross multiply
    10,927.26x = 15,079.11 × 6,451.20
  4. Step 4: Simplify right side
    10,927.26x = 97,278,354.43
  5. Step 5: Solve for x
    x = 97,278,354.43/10,927.26
  6. Step 6: Final answer
    x = 8,902.36

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Half scale
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Double scale
Find fourth proportional to 10,928.26, 15,080.49 and 6,452.20
Similar ratio
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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.