Home / 11,240.78-15,511.11-6,524.15

Finding the Fourth Proportional to 11,240.78, 15,511.11 and 6,524.15

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Solution

The fourth proportional to 11,240.78, 15,511.11 and 6,524.15 is: 9,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.78 : 15,511.11 = 6,524.15 : x
  2. Step 2: Convert to fraction form
    11,240.78/15,511.11 = 6,524.15/x
  3. Step 3: Cross multiply
    11,240.78x = 15,511.11 × 6,524.15
  4. Step 4: Simplify right side
    11,240.78x = 101,196,808.31
  5. Step 5: Solve for x
    x = 101,196,808.31/11,240.78
  6. Step 6: Final answer
    x = 9,002.65

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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.