Home / 10,266.29-15,399.42-2,475.11

Finding the Fourth Proportional to 10,266.29, 15,399.42 and 2,475.11

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Solution

The fourth proportional to 10,266.29, 15,399.42 and 2,475.11 is: 3,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.29 : 15,399.42 = 2,475.11 : x
  2. Step 2: Convert to fraction form
    10,266.29/15,399.42 = 2,475.11/x
  3. Step 3: Cross multiply
    10,266.29x = 15,399.42 × 2,475.11
  4. Step 4: Simplify right side
    10,266.29x = 38,115,201.03
  5. Step 5: Solve for x
    x = 38,115,201.03/10,266.29
  6. Step 6: Final answer
    x = 3,712.65

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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.