Home / 8,418.70-12,628.18-5,966.83

Finding the Fourth Proportional to 8,418.70, 12,628.18 and 5,966.83

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Solution

The fourth proportional to 8,418.70, 12,628.18 and 5,966.83 is: 8,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.70 : 12,628.18 = 5,966.83 : x
  2. Step 2: Convert to fraction form
    8,418.70/12,628.18 = 5,966.83/x
  3. Step 3: Cross multiply
    8,418.70x = 12,628.18 × 5,966.83
  4. Step 4: Simplify right side
    8,418.70x = 75,350,140.13
  5. Step 5: Solve for x
    x = 75,350,140.13/8,418.70
  6. Step 6: Final answer
    x = 8,950.33

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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.