Home / 15,180.59-20,949.33-8,466.65

Finding the Fourth Proportional to 15,180.59, 20,949.33 and 8,466.65

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Solution

The fourth proportional to 15,180.59, 20,949.33 and 8,466.65 is: 11,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.59 : 20,949.33 = 8,466.65 : x
  2. Step 2: Convert to fraction form
    15,180.59/20,949.33 = 8,466.65/x
  3. Step 3: Cross multiply
    15,180.59x = 20,949.33 × 8,466.65
  4. Step 4: Simplify right side
    15,180.59x = 177,370,644.84
  5. Step 5: Solve for x
    x = 177,370,644.84/15,180.59
  6. Step 6: Final answer
    x = 11,684.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.