Home / 14,043.38-21,065.06-5,727.92

Finding the Fourth Proportional to 14,043.38, 21,065.06 and 5,727.92

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Solution

The fourth proportional to 14,043.38, 21,065.06 and 5,727.92 is: 8,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.38 : 21,065.06 = 5,727.92 : x
  2. Step 2: Convert to fraction form
    14,043.38/21,065.06 = 5,727.92/x
  3. Step 3: Cross multiply
    14,043.38x = 21,065.06 × 5,727.92
  4. Step 4: Simplify right side
    14,043.38x = 120,658,887.47
  5. Step 5: Solve for x
    x = 120,658,887.47/14,043.38
  6. Step 6: Final answer
    x = 8,591.87

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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.