Home / 10,511.31-15,766.50-2,613.66

Finding the Fourth Proportional to 10,511.31, 15,766.50 and 2,613.66

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Solution

The fourth proportional to 10,511.31, 15,766.50 and 2,613.66 is: 3,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.31 : 15,766.50 = 2,613.66 : x
  2. Step 2: Convert to fraction form
    10,511.31/15,766.50 = 2,613.66/x
  3. Step 3: Cross multiply
    10,511.31x = 15,766.50 × 2,613.66
  4. Step 4: Simplify right side
    10,511.31x = 41,208,191.56
  5. Step 5: Solve for x
    x = 41,208,191.56/10,511.31
  6. Step 6: Final answer
    x = 3,920.37

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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.