Home / 11,242.97-15,521.51-6,767.82

Finding the Fourth Proportional to 11,242.97, 15,521.51 and 6,767.82

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Solution

The fourth proportional to 11,242.97, 15,521.51 and 6,767.82 is: 9,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.97 : 15,521.51 = 6,767.82 : x
  2. Step 2: Convert to fraction form
    11,242.97/15,521.51 = 6,767.82/x
  3. Step 3: Cross multiply
    11,242.97x = 15,521.51 × 6,767.82
  4. Step 4: Simplify right side
    11,242.97x = 105,046,751.97
  5. Step 5: Solve for x
    x = 105,046,751.97/11,242.97
  6. Step 6: Final answer
    x = 9,343.33

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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.