Home / 10,311.59-15,468.51-3,289.97

Finding the Fourth Proportional to 10,311.59, 15,468.51 and 3,289.97

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Solution

The fourth proportional to 10,311.59, 15,468.51 and 3,289.97 is: 4,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.59 : 15,468.51 = 3,289.97 : x
  2. Step 2: Convert to fraction form
    10,311.59/15,468.51 = 3,289.97/x
  3. Step 3: Cross multiply
    10,311.59x = 15,468.51 × 3,289.97
  4. Step 4: Simplify right side
    10,311.59x = 50,890,933.84
  5. Step 5: Solve for x
    x = 50,890,933.84/10,311.59
  6. Step 6: Final answer
    x = 4,935.31

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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.