Home / 9,186.14-13,781.28-3,342.80

Finding the Fourth Proportional to 9,186.14, 13,781.28 and 3,342.80

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Solution

The fourth proportional to 9,186.14, 13,781.28 and 3,342.80 is: 5,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.14 : 13,781.28 = 3,342.80 : x
  2. Step 2: Convert to fraction form
    9,186.14/13,781.28 = 3,342.80/x
  3. Step 3: Cross multiply
    9,186.14x = 13,781.28 × 3,342.80
  4. Step 4: Simplify right side
    9,186.14x = 46,068,062.78
  5. Step 5: Solve for x
    x = 46,068,062.78/9,186.14
  6. Step 6: Final answer
    x = 5,014.95

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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.