Home / 10,811.47-16,217.22-3,020.28

Finding the Fourth Proportional to 10,811.47, 16,217.22 and 3,020.28

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Solution

The fourth proportional to 10,811.47, 16,217.22 and 3,020.28 is: 4,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.47 : 16,217.22 = 3,020.28 : x
  2. Step 2: Convert to fraction form
    10,811.47/16,217.22 = 3,020.28/x
  3. Step 3: Cross multiply
    10,811.47x = 16,217.22 × 3,020.28
  4. Step 4: Simplify right side
    10,811.47x = 48,980,545.22
  5. Step 5: Solve for x
    x = 48,980,545.22/10,811.47
  6. Step 6: Final answer
    x = 4,530.42

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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.