Home / 11,659.24-16,082.40-6,940

Finding the Fourth Proportional to 11,659.24, 16,082.40 and 6,940

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Solution

The fourth proportional to 11,659.24, 16,082.40 and 6,940 is: 9,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.24 : 16,082.40 = 6,940 : x
  2. Step 2: Convert to fraction form
    11,659.24/16,082.40 = 6,940/x
  3. Step 3: Cross multiply
    11,659.24x = 16,082.40 × 6,940
  4. Step 4: Simplify right side
    11,659.24x = 111,611,856
  5. Step 5: Solve for x
    x = 111,611,856/11,659.24
  6. Step 6: Final answer
    x = 9,572.82

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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.