Home / 18,167.32-25,067.10-10,711

Finding the Fourth Proportional to 18,167.32, 25,067.10 and 10,711

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Solution

The fourth proportional to 18,167.32, 25,067.10 and 10,711 is: 14,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.32 : 25,067.10 = 10,711 : x
  2. Step 2: Convert to fraction form
    18,167.32/25,067.10 = 10,711/x
  3. Step 3: Cross multiply
    18,167.32x = 25,067.10 × 10,711
  4. Step 4: Simplify right side
    18,167.32x = 268,493,708.10
  5. Step 5: Solve for x
    x = 268,493,708.10/18,167.32
  6. Step 6: Final answer
    x = 14,778.94

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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.