Home / 12,244.20-18,372.04-8,501.72

Finding the Fourth Proportional to 12,244.20, 18,372.04 and 8,501.72

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Solution

The fourth proportional to 12,244.20, 18,372.04 and 8,501.72 is: 12,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.20 : 18,372.04 = 8,501.72 : x
  2. Step 2: Convert to fraction form
    12,244.20/18,372.04 = 8,501.72/x
  3. Step 3: Cross multiply
    12,244.20x = 18,372.04 × 8,501.72
  4. Step 4: Simplify right side
    12,244.20x = 156,193,939.91
  5. Step 5: Solve for x
    x = 156,193,939.91/12,244.20
  6. Step 6: Final answer
    x = 12,756.57

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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.