Home / 11,139.48-16,711.14-3,744.64

Finding the Fourth Proportional to 11,139.48, 16,711.14 and 3,744.64

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Solution

The fourth proportional to 11,139.48, 16,711.14 and 3,744.64 is: 5,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.48 : 16,711.14 = 3,744.64 : x
  2. Step 2: Convert to fraction form
    11,139.48/16,711.14 = 3,744.64/x
  3. Step 3: Cross multiply
    11,139.48x = 16,711.14 × 3,744.64
  4. Step 4: Simplify right side
    11,139.48x = 62,577,203.29
  5. Step 5: Solve for x
    x = 62,577,203.29/11,139.48
  6. Step 6: Final answer
    x = 5,617.61

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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.