Home / 11,049.87-16,574.80-7,777.56

Finding the Fourth Proportional to 11,049.87, 16,574.80 and 7,777.56

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Solution

The fourth proportional to 11,049.87, 16,574.80 and 7,777.56 is: 11,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.87 : 16,574.80 = 7,777.56 : x
  2. Step 2: Convert to fraction form
    11,049.87/16,574.80 = 7,777.56/x
  3. Step 3: Cross multiply
    11,049.87x = 16,574.80 × 7,777.56
  4. Step 4: Simplify right side
    11,049.87x = 128,911,379.73
  5. Step 5: Solve for x
    x = 128,911,379.73/11,049.87
  6. Step 6: Final answer
    x = 11,666.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.