Home / 12,269.35-18,375.99-9,630.85

Finding the Fourth Proportional to 12,269.35, 18,375.99 and 9,630.85

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Solution

The fourth proportional to 12,269.35, 18,375.99 and 9,630.85 is: 14,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.35 : 18,375.99 = 9,630.85 : x
  2. Step 2: Convert to fraction form
    12,269.35/18,375.99 = 9,630.85/x
  3. Step 3: Cross multiply
    12,269.35x = 18,375.99 × 9,630.85
  4. Step 4: Simplify right side
    12,269.35x = 176,976,403.29
  5. Step 5: Solve for x
    x = 176,976,403.29/12,269.35
  6. Step 6: Final answer
    x = 14,424.27

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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.