Home / 18,545.97-27,826.06-11,155.66

Finding the Fourth Proportional to 18,545.97, 27,826.06 and 11,155.66

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Solution

The fourth proportional to 18,545.97, 27,826.06 and 11,155.66 is: 16,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.97 : 27,826.06 = 11,155.66 : x
  2. Step 2: Convert to fraction form
    18,545.97/27,826.06 = 11,155.66/x
  3. Step 3: Cross multiply
    18,545.97x = 27,826.06 × 11,155.66
  4. Step 4: Simplify right side
    18,545.97x = 310,418,064.50
  5. Step 5: Solve for x
    x = 310,418,064.50/18,545.97
  6. Step 6: Final answer
    x = 16,737.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.