Home / 11,552.20-15,942.05-6,247.02

Finding the Fourth Proportional to 11,552.20, 15,942.05 and 6,247.02

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Solution

The fourth proportional to 11,552.20, 15,942.05 and 6,247.02 is: 8,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.20 : 15,942.05 = 6,247.02 : x
  2. Step 2: Convert to fraction form
    11,552.20/15,942.05 = 6,247.02/x
  3. Step 3: Cross multiply
    11,552.20x = 15,942.05 × 6,247.02
  4. Step 4: Simplify right side
    11,552.20x = 99,590,357.16
  5. Step 5: Solve for x
    x = 99,590,357.16/11,552.20
  6. Step 6: Final answer
    x = 8,620.90

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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.