Home / 19,793.22-27,320.97-13,084.78

Finding the Fourth Proportional to 19,793.22, 27,320.97 and 13,084.78

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Solution

The fourth proportional to 19,793.22, 27,320.97 and 13,084.78 is: 18,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.22 : 27,320.97 = 13,084.78 : x
  2. Step 2: Convert to fraction form
    19,793.22/27,320.97 = 13,084.78/x
  3. Step 3: Cross multiply
    19,793.22x = 27,320.97 × 13,084.78
  4. Step 4: Simplify right side
    19,793.22x = 357,488,881.84
  5. Step 5: Solve for x
    x = 357,488,881.84/19,793.22
  6. Step 6: Final answer
    x = 18,061.18

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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.