Home / 10,605.11-15,899.40-4,757.63

Finding the Fourth Proportional to 10,605.11, 15,899.40 and 4,757.63

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Solution

The fourth proportional to 10,605.11, 15,899.40 and 4,757.63 is: 7,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.11 : 15,899.40 = 4,757.63 : x
  2. Step 2: Convert to fraction form
    10,605.11/15,899.40 = 4,757.63/x
  3. Step 3: Cross multiply
    10,605.11x = 15,899.40 × 4,757.63
  4. Step 4: Simplify right side
    10,605.11x = 75,643,382.93
  5. Step 5: Solve for x
    x = 75,643,382.93/10,605.11
  6. Step 6: Final answer
    x = 7,132.73

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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.