Home / 11,240.70-15,512.69-6,462.20

Finding the Fourth Proportional to 11,240.70, 15,512.69 and 6,462.20

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Solution

The fourth proportional to 11,240.70, 15,512.69 and 6,462.20 is: 8,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.70 : 15,512.69 = 6,462.20 : x
  2. Step 2: Convert to fraction form
    11,240.70/15,512.69 = 6,462.20/x
  3. Step 3: Cross multiply
    11,240.70x = 15,512.69 × 6,462.20
  4. Step 4: Simplify right side
    11,240.70x = 100,245,995.44
  5. Step 5: Solve for x
    x = 100,245,995.44/11,240.70
  6. Step 6: Final answer
    x = 8,918.13

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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.