Home / 16,811.88-25,217.84-5,719.76

Finding the Fourth Proportional to 16,811.88, 25,217.84 and 5,719.76

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Solution

The fourth proportional to 16,811.88, 25,217.84 and 5,719.76 is: 8,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.88 : 25,217.84 = 5,719.76 : x
  2. Step 2: Convert to fraction form
    16,811.88/25,217.84 = 5,719.76/x
  3. Step 3: Cross multiply
    16,811.88x = 25,217.84 × 5,719.76
  4. Step 4: Simplify right side
    16,811.88x = 144,239,992.52
  5. Step 5: Solve for x
    x = 144,239,992.52/16,811.88
  6. Step 6: Final answer
    x = 8,579.65

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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.