Home / 11,001.55-16,505.38-5,080.25

Finding the Fourth Proportional to 11,001.55, 16,505.38 and 5,080.25

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Solution

The fourth proportional to 11,001.55, 16,505.38 and 5,080.25 is: 7,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.55 : 16,505.38 = 5,080.25 : x
  2. Step 2: Convert to fraction form
    11,001.55/16,505.38 = 5,080.25/x
  3. Step 3: Cross multiply
    11,001.55x = 16,505.38 × 5,080.25
  4. Step 4: Simplify right side
    11,001.55x = 83,851,456.75
  5. Step 5: Solve for x
    x = 83,851,456.75/11,001.55
  6. Step 6: Final answer
    x = 7,621.79

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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.