Home / 12,103.59-18,168.11-10,725.75

Finding the Fourth Proportional to 12,103.59, 18,168.11 and 10,725.75

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Solution

The fourth proportional to 12,103.59, 18,168.11 and 10,725.75 is: 16,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.59 : 18,168.11 = 10,725.75 : x
  2. Step 2: Convert to fraction form
    12,103.59/18,168.11 = 10,725.75/x
  3. Step 3: Cross multiply
    12,103.59x = 18,168.11 × 10,725.75
  4. Step 4: Simplify right side
    12,103.59x = 194,866,552.20
  5. Step 5: Solve for x
    x = 194,866,552.20/12,103.59
  6. Step 6: Final answer
    x = 16,099.90

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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.