Home / 11,245.28-16,864.48-4,318.08

Finding the Fourth Proportional to 11,245.28, 16,864.48 and 4,318.08

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Solution

The fourth proportional to 11,245.28, 16,864.48 and 4,318.08 is: 6,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.28 : 16,864.48 = 4,318.08 : x
  2. Step 2: Convert to fraction form
    11,245.28/16,864.48 = 4,318.08/x
  3. Step 3: Cross multiply
    11,245.28x = 16,864.48 × 4,318.08
  4. Step 4: Simplify right side
    11,245.28x = 72,822,173.80
  5. Step 5: Solve for x
    x = 72,822,173.80/11,245.28
  6. Step 6: Final answer
    x = 6,475.80

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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.