Home / 18,156.11-25,067.03-12,114.98

Finding the Fourth Proportional to 18,156.11, 25,067.03 and 12,114.98

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Solution

The fourth proportional to 18,156.11, 25,067.03 and 12,114.98 is: 16,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.11 : 25,067.03 = 12,114.98 : x
  2. Step 2: Convert to fraction form
    18,156.11/25,067.03 = 12,114.98/x
  3. Step 3: Cross multiply
    18,156.11x = 25,067.03 × 12,114.98
  4. Step 4: Simplify right side
    18,156.11x = 303,686,381.20
  5. Step 5: Solve for x
    x = 303,686,381.20/18,156.11
  6. Step 6: Final answer
    x = 16,726.41

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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.