Home / 10,869.64-16,306.08-3,942.52

Finding the Fourth Proportional to 10,869.64, 16,306.08 and 3,942.52

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Solution

The fourth proportional to 10,869.64, 16,306.08 and 3,942.52 is: 5,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.64 : 16,306.08 = 3,942.52 : x
  2. Step 2: Convert to fraction form
    10,869.64/16,306.08 = 3,942.52/x
  3. Step 3: Cross multiply
    10,869.64x = 16,306.08 × 3,942.52
  4. Step 4: Simplify right side
    10,869.64x = 64,287,046.52
  5. Step 5: Solve for x
    x = 64,287,046.52/10,869.64
  6. Step 6: Final answer
    x = 5,914.37

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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.