Home / 11,309.31-15,592.50-8,082.99

Finding the Fourth Proportional to 11,309.31, 15,592.50 and 8,082.99

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Solution

The fourth proportional to 11,309.31, 15,592.50 and 8,082.99 is: 11,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.31 : 15,592.50 = 8,082.99 : x
  2. Step 2: Convert to fraction form
    11,309.31/15,592.50 = 8,082.99/x
  3. Step 3: Cross multiply
    11,309.31x = 15,592.50 × 8,082.99
  4. Step 4: Simplify right side
    11,309.31x = 126,034,021.58
  5. Step 5: Solve for x
    x = 126,034,021.58/11,309.31
  6. Step 6: Final answer
    x = 11,144.27

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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.