Home / 11,407.50-17,114.15-8,082.32

Finding the Fourth Proportional to 11,407.50, 17,114.15 and 8,082.32

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Solution

The fourth proportional to 11,407.50, 17,114.15 and 8,082.32 is: 12,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.50 : 17,114.15 = 8,082.32 : x
  2. Step 2: Convert to fraction form
    11,407.50/17,114.15 = 8,082.32/x
  3. Step 3: Cross multiply
    11,407.50x = 17,114.15 × 8,082.32
  4. Step 4: Simplify right side
    11,407.50x = 138,321,971.46
  5. Step 5: Solve for x
    x = 138,321,971.46/11,407.50
  6. Step 6: Final answer
    x = 12,125.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.