Home / 22,264.38-30,727.56-13,311.78

Finding the Fourth Proportional to 22,264.38, 30,727.56 and 13,311.78

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Solution

The fourth proportional to 22,264.38, 30,727.56 and 13,311.78 is: 18,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.38 : 30,727.56 = 13,311.78 : x
  2. Step 2: Convert to fraction form
    22,264.38/30,727.56 = 13,311.78/x
  3. Step 3: Cross multiply
    22,264.38x = 30,727.56 × 13,311.78
  4. Step 4: Simplify right side
    22,264.38x = 409,038,518.66
  5. Step 5: Solve for x
    x = 409,038,518.66/22,264.38
  6. Step 6: Final answer
    x = 18,371.88

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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.