Home / 15,086.08-22,629.66-3,993.16

Finding the Fourth Proportional to 15,086.08, 22,629.66 and 3,993.16

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Solution

The fourth proportional to 15,086.08, 22,629.66 and 3,993.16 is: 5,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.08 : 22,629.66 = 3,993.16 : x
  2. Step 2: Convert to fraction form
    15,086.08/22,629.66 = 3,993.16/x
  3. Step 3: Cross multiply
    15,086.08x = 22,629.66 × 3,993.16
  4. Step 4: Simplify right side
    15,086.08x = 90,363,853.13
  5. Step 5: Solve for x
    x = 90,363,853.13/15,086.08
  6. Step 6: Final answer
    x = 5,989.88

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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.