Home / 11,256.33-15,517.26-7,888.97

Finding the Fourth Proportional to 11,256.33, 15,517.26 and 7,888.97

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Solution

The fourth proportional to 11,256.33, 15,517.26 and 7,888.97 is: 10,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.33 : 15,517.26 = 7,888.97 : x
  2. Step 2: Convert to fraction form
    11,256.33/15,517.26 = 7,888.97/x
  3. Step 3: Cross multiply
    11,256.33x = 15,517.26 × 7,888.97
  4. Step 4: Simplify right side
    11,256.33x = 122,415,121.04
  5. Step 5: Solve for x
    x = 122,415,121.04/11,256.33
  6. Step 6: Final answer
    x = 10,875.22

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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.