Home / 10,013.15-15,016.61-3,437.78

Finding the Fourth Proportional to 10,013.15, 15,016.61 and 3,437.78

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Solution

The fourth proportional to 10,013.15, 15,016.61 and 3,437.78 is: 5,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.15 : 15,016.61 = 3,437.78 : x
  2. Step 2: Convert to fraction form
    10,013.15/15,016.61 = 3,437.78/x
  3. Step 3: Cross multiply
    10,013.15x = 15,016.61 × 3,437.78
  4. Step 4: Simplify right side
    10,013.15x = 51,623,735.04
  5. Step 5: Solve for x
    x = 51,623,735.04/10,013.15
  6. Step 6: Final answer
    x = 5,155.59

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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.