Home / 19,713.20-27,204.86-10,761.18

Finding the Fourth Proportional to 19,713.20, 27,204.86 and 10,761.18

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Solution

The fourth proportional to 19,713.20, 27,204.86 and 10,761.18 is: 14,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.20 : 27,204.86 = 10,761.18 : x
  2. Step 2: Convert to fraction form
    19,713.20/27,204.86 = 10,761.18/x
  3. Step 3: Cross multiply
    19,713.20x = 27,204.86 × 10,761.18
  4. Step 4: Simplify right side
    19,713.20x = 292,756,395.33
  5. Step 5: Solve for x
    x = 292,756,395.33/19,713.20
  6. Step 6: Final answer
    x = 14,850.78

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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.