Home / 22,091.27-30,487.02-12,659.86

Finding the Fourth Proportional to 22,091.27, 30,487.02 and 12,659.86

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Solution

The fourth proportional to 22,091.27, 30,487.02 and 12,659.86 is: 17,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.27 : 30,487.02 = 12,659.86 : x
  2. Step 2: Convert to fraction form
    22,091.27/30,487.02 = 12,659.86/x
  3. Step 3: Cross multiply
    22,091.27x = 30,487.02 × 12,659.86
  4. Step 4: Simplify right side
    22,091.27x = 385,961,252.58
  5. Step 5: Solve for x
    x = 385,961,252.58/22,091.27
  6. Step 6: Final answer
    x = 17,471.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.