Home / 10,872.08-15,003.40-5,904.08

Finding the Fourth Proportional to 10,872.08, 15,003.40 and 5,904.08

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Solution

The fourth proportional to 10,872.08, 15,003.40 and 5,904.08 is: 8,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.08 : 15,003.40 = 5,904.08 : x
  2. Step 2: Convert to fraction form
    10,872.08/15,003.40 = 5,904.08/x
  3. Step 3: Cross multiply
    10,872.08x = 15,003.40 × 5,904.08
  4. Step 4: Simplify right side
    10,872.08x = 88,581,273.87
  5. Step 5: Solve for x
    x = 88,581,273.87/10,872.08
  6. Step 6: Final answer
    x = 8,147.59

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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.