Home / 11,993.46-16,545.33-7,800.18

Finding the Fourth Proportional to 11,993.46, 16,545.33 and 7,800.18

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Solution

The fourth proportional to 11,993.46, 16,545.33 and 7,800.18 is: 10,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.46 : 16,545.33 = 7,800.18 : x
  2. Step 2: Convert to fraction form
    11,993.46/16,545.33 = 7,800.18/x
  3. Step 3: Cross multiply
    11,993.46x = 16,545.33 × 7,800.18
  4. Step 4: Simplify right side
    11,993.46x = 129,056,552.16
  5. Step 5: Solve for x
    x = 129,056,552.16/11,993.46
  6. Step 6: Final answer
    x = 10,760.58

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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.