Home / 12,166.20-18,229.05-4,264.65

Finding the Fourth Proportional to 12,166.20, 18,229.05 and 4,264.65

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Solution

The fourth proportional to 12,166.20, 18,229.05 and 4,264.65 is: 6,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.20 : 18,229.05 = 4,264.65 : x
  2. Step 2: Convert to fraction form
    12,166.20/18,229.05 = 4,264.65/x
  3. Step 3: Cross multiply
    12,166.20x = 18,229.05 × 4,264.65
  4. Step 4: Simplify right side
    12,166.20x = 77,740,518.08
  5. Step 5: Solve for x
    x = 77,740,518.08/12,166.20
  6. Step 6: Final answer
    x = 6,389.88

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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.