Home / 8,236.24-12,351.30-5,111.62

Finding the Fourth Proportional to 8,236.24, 12,351.30 and 5,111.62

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Solution

The fourth proportional to 8,236.24, 12,351.30 and 5,111.62 is: 7,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.24 : 12,351.30 = 5,111.62 : x
  2. Step 2: Convert to fraction form
    8,236.24/12,351.30 = 5,111.62/x
  3. Step 3: Cross multiply
    8,236.24x = 12,351.30 × 5,111.62
  4. Step 4: Simplify right side
    8,236.24x = 63,135,152.11
  5. Step 5: Solve for x
    x = 63,135,152.11/8,236.24
  6. Step 6: Final answer
    x = 7,665.53

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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.