Home / 22,454.60-30,979.80-14,502.20

Finding the Fourth Proportional to 22,454.60, 30,979.80 and 14,502.20

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Solution

The fourth proportional to 22,454.60, 30,979.80 and 14,502.20 is: 20,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.60 : 30,979.80 = 14,502.20 : x
  2. Step 2: Convert to fraction form
    22,454.60/30,979.80 = 14,502.20/x
  3. Step 3: Cross multiply
    22,454.60x = 30,979.80 × 14,502.20
  4. Step 4: Simplify right side
    22,454.60x = 449,275,255.56
  5. Step 5: Solve for x
    x = 449,275,255.56/22,454.60
  6. Step 6: Final answer
    x = 20,008.16

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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.