Home / 12,217.08-18,321.90-5,197.02

Finding the Fourth Proportional to 12,217.08, 18,321.90 and 5,197.02

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Solution

The fourth proportional to 12,217.08, 18,321.90 and 5,197.02 is: 7,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.08 : 18,321.90 = 5,197.02 : x
  2. Step 2: Convert to fraction form
    12,217.08/18,321.90 = 5,197.02/x
  3. Step 3: Cross multiply
    12,217.08x = 18,321.90 × 5,197.02
  4. Step 4: Simplify right side
    12,217.08x = 95,219,280.74
  5. Step 5: Solve for x
    x = 95,219,280.74/12,217.08
  6. Step 6: Final answer
    x = 7,793.95

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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.