Home / 18,191.18-27,292.02-6,505.28

Finding the Fourth Proportional to 18,191.18, 27,292.02 and 6,505.28

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Solution

The fourth proportional to 18,191.18, 27,292.02 and 6,505.28 is: 9,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.18 : 27,292.02 = 6,505.28 : x
  2. Step 2: Convert to fraction form
    18,191.18/27,292.02 = 6,505.28/x
  3. Step 3: Cross multiply
    18,191.18x = 27,292.02 × 6,505.28
  4. Step 4: Simplify right side
    18,191.18x = 177,542,231.87
  5. Step 5: Solve for x
    x = 177,542,231.87/18,191.18
  6. Step 6: Final answer
    x = 9,759.80

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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.