Home / 22,260.27-30,721.60-14,194.20

Finding the Fourth Proportional to 22,260.27, 30,721.60 and 14,194.20

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Solution

The fourth proportional to 22,260.27, 30,721.60 and 14,194.20 is: 19,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.27 : 30,721.60 = 14,194.20 : x
  2. Step 2: Convert to fraction form
    22,260.27/30,721.60 = 14,194.20/x
  3. Step 3: Cross multiply
    22,260.27x = 30,721.60 × 14,194.20
  4. Step 4: Simplify right side
    22,260.27x = 436,068,534.72
  5. Step 5: Solve for x
    x = 436,068,534.72/22,260.27
  6. Step 6: Final answer
    x = 19,589.54

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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.