Home / 15,995.13-22,073.27-8,921.55

Finding the Fourth Proportional to 15,995.13, 22,073.27 and 8,921.55

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Solution

The fourth proportional to 15,995.13, 22,073.27 and 8,921.55 is: 12,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.13 : 22,073.27 = 8,921.55 : x
  2. Step 2: Convert to fraction form
    15,995.13/22,073.27 = 8,921.55/x
  3. Step 3: Cross multiply
    15,995.13x = 22,073.27 × 8,921.55
  4. Step 4: Simplify right side
    15,995.13x = 196,927,781.97
  5. Step 5: Solve for x
    x = 196,927,781.97/15,995.13
  6. Step 6: Final answer
    x = 12,311.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.