Home / 11,106.87-15,306.39-7,957.59

Finding the Fourth Proportional to 11,106.87, 15,306.39 and 7,957.59

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Solution

The fourth proportional to 11,106.87, 15,306.39 and 7,957.59 is: 10,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.87 : 15,306.39 = 7,957.59 : x
  2. Step 2: Convert to fraction form
    11,106.87/15,306.39 = 7,957.59/x
  3. Step 3: Cross multiply
    11,106.87x = 15,306.39 × 7,957.59
  4. Step 4: Simplify right side
    11,106.87x = 121,801,976.00
  5. Step 5: Solve for x
    x = 121,801,976.00/11,106.87
  6. Step 6: Final answer
    x = 10,966.36

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Similar ratio
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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.