Home / 10,822.20-16,203.40-5,545.85

Finding the Fourth Proportional to 10,822.20, 16,203.40 and 5,545.85

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Solution

The fourth proportional to 10,822.20, 16,203.40 and 5,545.85 is: 8,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.20 : 16,203.40 = 5,545.85 : x
  2. Step 2: Convert to fraction form
    10,822.20/16,203.40 = 5,545.85/x
  3. Step 3: Cross multiply
    10,822.20x = 16,203.40 × 5,545.85
  4. Step 4: Simplify right side
    10,822.20x = 89,861,531.01
  5. Step 5: Solve for x
    x = 89,861,531.01/10,822.20
  6. Step 6: Final answer
    x = 8,303.45

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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.