Home / 10,925.20-16,391.94-6,545.80

Finding the Fourth Proportional to 10,925.20, 16,391.94 and 6,545.80

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Solution

The fourth proportional to 10,925.20, 16,391.94 and 6,545.80 is: 9,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.20 : 16,391.94 = 6,545.80 : x
  2. Step 2: Convert to fraction form
    10,925.20/16,391.94 = 6,545.80/x
  3. Step 3: Cross multiply
    10,925.20x = 16,391.94 × 6,545.80
  4. Step 4: Simplify right side
    10,925.20x = 107,298,360.85
  5. Step 5: Solve for x
    x = 107,298,360.85/10,925.20
  6. Step 6: Final answer
    x = 9,821.18

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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.