Home / 18,422.46-25,392.65-13,037.94

Finding the Fourth Proportional to 18,422.46, 25,392.65 and 13,037.94

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Solution

The fourth proportional to 18,422.46, 25,392.65 and 13,037.94 is: 17,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.46 : 25,392.65 = 13,037.94 : x
  2. Step 2: Convert to fraction form
    18,422.46/25,392.65 = 13,037.94/x
  3. Step 3: Cross multiply
    18,422.46x = 25,392.65 × 13,037.94
  4. Step 4: Simplify right side
    18,422.46x = 331,067,781.95
  5. Step 5: Solve for x
    x = 331,067,781.95/18,422.46
  6. Step 6: Final answer
    x = 17,970.88

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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.