Home / 11,013.67-15,193.12-6,765.69

Finding the Fourth Proportional to 11,013.67, 15,193.12 and 6,765.69

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Solution

The fourth proportional to 11,013.67, 15,193.12 and 6,765.69 is: 9,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.67 : 15,193.12 = 6,765.69 : x
  2. Step 2: Convert to fraction form
    11,013.67/15,193.12 = 6,765.69/x
  3. Step 3: Cross multiply
    11,013.67x = 15,193.12 × 6,765.69
  4. Step 4: Simplify right side
    11,013.67x = 102,791,940.05
  5. Step 5: Solve for x
    x = 102,791,940.05/11,013.67
  6. Step 6: Final answer
    x = 9,333.12

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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.