Home / 18,334.27-25,299.77-10,780.93

Finding the Fourth Proportional to 18,334.27, 25,299.77 and 10,780.93

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Solution

The fourth proportional to 18,334.27, 25,299.77 and 10,780.93 is: 14,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.27 : 25,299.77 = 10,780.93 : x
  2. Step 2: Convert to fraction form
    18,334.27/25,299.77 = 10,780.93/x
  3. Step 3: Cross multiply
    18,334.27x = 25,299.77 × 10,780.93
  4. Step 4: Simplify right side
    18,334.27x = 272,754,932.23
  5. Step 5: Solve for x
    x = 272,754,932.23/18,334.27
  6. Step 6: Final answer
    x = 14,876.78

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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.