Home / 11,587.68-17,381.52-4,191.18

Finding the Fourth Proportional to 11,587.68, 17,381.52 and 4,191.18

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Solution

The fourth proportional to 11,587.68, 17,381.52 and 4,191.18 is: 6,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.68 : 17,381.52 = 4,191.18 : x
  2. Step 2: Convert to fraction form
    11,587.68/17,381.52 = 4,191.18/x
  3. Step 3: Cross multiply
    11,587.68x = 17,381.52 × 4,191.18
  4. Step 4: Simplify right side
    11,587.68x = 72,849,104.82
  5. Step 5: Solve for x
    x = 72,849,104.82/11,587.68
  6. Step 6: Final answer
    x = 6,286.77

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Similar ratio
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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.