Home / 11,517.32-17,276.52-3,726.74

Finding the Fourth Proportional to 11,517.32, 17,276.52 and 3,726.74

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Solution

The fourth proportional to 11,517.32, 17,276.52 and 3,726.74 is: 5,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.32 : 17,276.52 = 3,726.74 : x
  2. Step 2: Convert to fraction form
    11,517.32/17,276.52 = 3,726.74/x
  3. Step 3: Cross multiply
    11,517.32x = 17,276.52 × 3,726.74
  4. Step 4: Simplify right side
    11,517.32x = 64,385,098.14
  5. Step 5: Solve for x
    x = 64,385,098.14/11,517.32
  6. Step 6: Final answer
    x = 5,590.28

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1.5x scale

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.