Home / 10,104.12-15,170.36-5,177.30

Finding the Fourth Proportional to 10,104.12, 15,170.36 and 5,177.30

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Solution

The fourth proportional to 10,104.12, 15,170.36 and 5,177.30 is: 7,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.12 : 15,170.36 = 5,177.30 : x
  2. Step 2: Convert to fraction form
    10,104.12/15,170.36 = 5,177.30/x
  3. Step 3: Cross multiply
    10,104.12x = 15,170.36 × 5,177.30
  4. Step 4: Simplify right side
    10,104.12x = 78,541,403.09
  5. Step 5: Solve for x
    x = 78,541,403.09/10,104.12
  6. Step 6: Final answer
    x = 7,773.21

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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.