Home / 13,459.82-20,190.42-4,099.11

Finding the Fourth Proportional to 13,459.82, 20,190.42 and 4,099.11

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Solution

The fourth proportional to 13,459.82, 20,190.42 and 4,099.11 is: 6,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.82 : 20,190.42 = 4,099.11 : x
  2. Step 2: Convert to fraction form
    13,459.82/20,190.42 = 4,099.11/x
  3. Step 3: Cross multiply
    13,459.82x = 20,190.42 × 4,099.11
  4. Step 4: Simplify right side
    13,459.82x = 82,762,752.53
  5. Step 5: Solve for x
    x = 82,762,752.53/13,459.82
  6. Step 6: Final answer
    x = 6,148.88

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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.