Home / 10,494.31-15,740.11-3,099.55

Finding the Fourth Proportional to 10,494.31, 15,740.11 and 3,099.55

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Solution

The fourth proportional to 10,494.31, 15,740.11 and 3,099.55 is: 4,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494.31 : 15,740.11 = 3,099.55 : x
  2. Step 2: Convert to fraction form
    10,494.31/15,740.11 = 3,099.55/x
  3. Step 3: Cross multiply
    10,494.31x = 15,740.11 × 3,099.55
  4. Step 4: Simplify right side
    10,494.31x = 48,787,257.95
  5. Step 5: Solve for x
    x = 48,787,257.95/10,494.31
  6. Step 6: Final answer
    x = 4,648.92

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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.