Home / 15,059.24-20,780.04-8,343.16

Finding the Fourth Proportional to 15,059.24, 20,780.04 and 8,343.16

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Solution

The fourth proportional to 15,059.24, 20,780.04 and 8,343.16 is: 11,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.24 : 20,780.04 = 8,343.16 : x
  2. Step 2: Convert to fraction form
    15,059.24/20,780.04 = 8,343.16/x
  3. Step 3: Cross multiply
    15,059.24x = 20,780.04 × 8,343.16
  4. Step 4: Simplify right side
    15,059.24x = 173,371,198.53
  5. Step 5: Solve for x
    x = 173,371,198.53/15,059.24
  6. Step 6: Final answer
    x = 11,512.61

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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.