Home / 12,098.60-18,150.42-4,312.52

Finding the Fourth Proportional to 12,098.60, 18,150.42 and 4,312.52

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Solution

The fourth proportional to 12,098.60, 18,150.42 and 4,312.52 is: 6,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.60 : 18,150.42 = 4,312.52 : x
  2. Step 2: Convert to fraction form
    12,098.60/18,150.42 = 4,312.52/x
  3. Step 3: Cross multiply
    12,098.60x = 18,150.42 × 4,312.52
  4. Step 4: Simplify right side
    12,098.60x = 78,274,049.26
  5. Step 5: Solve for x
    x = 78,274,049.26/12,098.60
  6. Step 6: Final answer
    x = 6,469.68

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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.