Home / 11,505.30-17,253.90-4,006.86

Finding the Fourth Proportional to 11,505.30, 17,253.90 and 4,006.86

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Solution

The fourth proportional to 11,505.30, 17,253.90 and 4,006.86 is: 6,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.30 : 17,253.90 = 4,006.86 : x
  2. Step 2: Convert to fraction form
    11,505.30/17,253.90 = 4,006.86/x
  3. Step 3: Cross multiply
    11,505.30x = 17,253.90 × 4,006.86
  4. Step 4: Simplify right side
    11,505.30x = 69,133,961.75
  5. Step 5: Solve for x
    x = 69,133,961.75/11,505.30
  6. Step 6: Final answer
    x = 6,008.88

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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.