Home / 9,149.36-13,726.11-3,305.96

Finding the Fourth Proportional to 9,149.36, 13,726.11 and 3,305.96

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Solution

The fourth proportional to 9,149.36, 13,726.11 and 3,305.96 is: 4,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.36 : 13,726.11 = 3,305.96 : x
  2. Step 2: Convert to fraction form
    9,149.36/13,726.11 = 3,305.96/x
  3. Step 3: Cross multiply
    9,149.36x = 13,726.11 × 3,305.96
  4. Step 4: Simplify right side
    9,149.36x = 45,378,024.47
  5. Step 5: Solve for x
    x = 45,378,024.47/9,149.36
  6. Step 6: Final answer
    x = 4,959.70

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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.