Home / 15,126.12-22,691.61-5,268.24

Finding the Fourth Proportional to 15,126.12, 22,691.61 and 5,268.24

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Solution

The fourth proportional to 15,126.12, 22,691.61 and 5,268.24 is: 7,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.12 : 22,691.61 = 5,268.24 : x
  2. Step 2: Convert to fraction form
    15,126.12/22,691.61 = 5,268.24/x
  3. Step 3: Cross multiply
    15,126.12x = 22,691.61 × 5,268.24
  4. Step 4: Simplify right side
    15,126.12x = 119,544,847.47
  5. Step 5: Solve for x
    x = 119,544,847.47/15,126.12
  6. Step 6: Final answer
    x = 7,903.21

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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.