Home / 11,756.04-16,227.84-7,980.88

Finding the Fourth Proportional to 11,756.04, 16,227.84 and 7,980.88

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Solution

The fourth proportional to 11,756.04, 16,227.84 and 7,980.88 is: 11,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.04 : 16,227.84 = 7,980.88 : x
  2. Step 2: Convert to fraction form
    11,756.04/16,227.84 = 7,980.88/x
  3. Step 3: Cross multiply
    11,756.04x = 16,227.84 × 7,980.88
  4. Step 4: Simplify right side
    11,756.04x = 129,512,463.49
  5. Step 5: Solve for x
    x = 129,512,463.49/11,756.04
  6. Step 6: Final answer
    x = 11,016.68

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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.