Home / 10,805.45-16,216.29-4,966.16

Finding the Fourth Proportional to 10,805.45, 16,216.29 and 4,966.16

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Solution

The fourth proportional to 10,805.45, 16,216.29 and 4,966.16 is: 7,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.45 : 16,216.29 = 4,966.16 : x
  2. Step 2: Convert to fraction form
    10,805.45/16,216.29 = 4,966.16/x
  3. Step 3: Cross multiply
    10,805.45x = 16,216.29 × 4,966.16
  4. Step 4: Simplify right side
    10,805.45x = 80,532,609.66
  5. Step 5: Solve for x
    x = 80,532,609.66/10,805.45
  6. Step 6: Final answer
    x = 7,452.97

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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.