Home / 10,889.48-16,337.40-3,493.78

Finding the Fourth Proportional to 10,889.48, 16,337.40 and 3,493.78

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Solution

The fourth proportional to 10,889.48, 16,337.40 and 3,493.78 is: 5,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.48 : 16,337.40 = 3,493.78 : x
  2. Step 2: Convert to fraction form
    10,889.48/16,337.40 = 3,493.78/x
  3. Step 3: Cross multiply
    10,889.48x = 16,337.40 × 3,493.78
  4. Step 4: Simplify right side
    10,889.48x = 57,079,281.37
  5. Step 5: Solve for x
    x = 57,079,281.37/10,889.48
  6. Step 6: Final answer
    x = 5,241.69

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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.