Home / 11,191.02-16,781.28-3,790.44

Finding the Fourth Proportional to 11,191.02, 16,781.28 and 3,790.44

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Solution

The fourth proportional to 11,191.02, 16,781.28 and 3,790.44 is: 5,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.02 : 16,781.28 = 3,790.44 : x
  2. Step 2: Convert to fraction form
    11,191.02/16,781.28 = 3,790.44/x
  3. Step 3: Cross multiply
    11,191.02x = 16,781.28 × 3,790.44
  4. Step 4: Simplify right side
    11,191.02x = 63,608,434.96
  5. Step 5: Solve for x
    x = 63,608,434.96/11,191.02
  6. Step 6: Final answer
    x = 5,683.88

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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.