Home / 11,106.88-15,306.38-7,957.60

Finding the Fourth Proportional to 11,106.88, 15,306.38 and 7,957.60

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Solution

The fourth proportional to 11,106.88, 15,306.38 and 7,957.60 is: 10,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.88 : 15,306.38 = 7,957.60 : x
  2. Step 2: Convert to fraction form
    11,106.88/15,306.38 = 7,957.60/x
  3. Step 3: Cross multiply
    11,106.88x = 15,306.38 × 7,957.60
  4. Step 4: Simplify right side
    11,106.88x = 121,802,049.49
  5. Step 5: Solve for x
    x = 121,802,049.49/11,106.88
  6. Step 6: Final answer
    x = 10,966.36

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Double scale
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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.