Home / 10,940.36-15,097.98-6,691.34

Finding the Fourth Proportional to 10,940.36, 15,097.98 and 6,691.34

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Solution

The fourth proportional to 10,940.36, 15,097.98 and 6,691.34 is: 9,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.36 : 15,097.98 = 6,691.34 : x
  2. Step 2: Convert to fraction form
    10,940.36/15,097.98 = 6,691.34/x
  3. Step 3: Cross multiply
    10,940.36x = 15,097.98 × 6,691.34
  4. Step 4: Simplify right side
    10,940.36x = 101,025,780.33
  5. Step 5: Solve for x
    x = 101,025,780.33/10,940.36
  6. Step 6: Final answer
    x = 9,234.23

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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.