Home / 11,832.24-17,711.40-8,715.75

Finding the Fourth Proportional to 11,832.24, 17,711.40 and 8,715.75

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Solution

The fourth proportional to 11,832.24, 17,711.40 and 8,715.75 is: 13,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.24 : 17,711.40 = 8,715.75 : x
  2. Step 2: Convert to fraction form
    11,832.24/17,711.40 = 8,715.75/x
  3. Step 3: Cross multiply
    11,832.24x = 17,711.40 × 8,715.75
  4. Step 4: Simplify right side
    11,832.24x = 154,368,134.55
  5. Step 5: Solve for x
    x = 154,368,134.55/11,832.24
  6. Step 6: Final answer
    x = 13,046.40

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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.