Home / 22,470.42-33,679.98-13,685.88

Finding the Fourth Proportional to 22,470.42, 33,679.98 and 13,685.88

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Solution

The fourth proportional to 22,470.42, 33,679.98 and 13,685.88 is: 20,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.42 : 33,679.98 = 13,685.88 : x
  2. Step 2: Convert to fraction form
    22,470.42/33,679.98 = 13,685.88/x
  3. Step 3: Cross multiply
    22,470.42x = 33,679.98 × 13,685.88
  4. Step 4: Simplify right side
    22,470.42x = 460,940,164.68
  5. Step 5: Solve for x
    x = 460,940,164.68/22,470.42
  6. Step 6: Final answer
    x = 20,513.20

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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.