Home / 10,147.74-15,223.13-3,127.17

Finding the Fourth Proportional to 10,147.74, 15,223.13 and 3,127.17

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Solution

The fourth proportional to 10,147.74, 15,223.13 and 3,127.17 is: 4,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.74 : 15,223.13 = 3,127.17 : x
  2. Step 2: Convert to fraction form
    10,147.74/15,223.13 = 3,127.17/x
  3. Step 3: Cross multiply
    10,147.74x = 15,223.13 × 3,127.17
  4. Step 4: Simplify right side
    10,147.74x = 47,605,299.81
  5. Step 5: Solve for x
    x = 47,605,299.81/10,147.74
  6. Step 6: Final answer
    x = 4,691.22

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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.