Home / 20,194.79-27,859.23-14,229.74

Finding the Fourth Proportional to 20,194.79, 27,859.23 and 14,229.74

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Solution

The fourth proportional to 20,194.79, 27,859.23 and 14,229.74 is: 19,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.79 : 27,859.23 = 14,229.74 : x
  2. Step 2: Convert to fraction form
    20,194.79/27,859.23 = 14,229.74/x
  3. Step 3: Cross multiply
    20,194.79x = 27,859.23 × 14,229.74
  4. Step 4: Simplify right side
    20,194.79x = 396,429,460.20
  5. Step 5: Solve for x
    x = 396,429,460.20/20,194.79
  6. Step 6: Final answer
    x = 19,630.29

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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.