Home / 10,697.42-16,032.75-5,149.28

Finding the Fourth Proportional to 10,697.42, 16,032.75 and 5,149.28

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Solution

The fourth proportional to 10,697.42, 16,032.75 and 5,149.28 is: 7,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.42 : 16,032.75 = 5,149.28 : x
  2. Step 2: Convert to fraction form
    10,697.42/16,032.75 = 5,149.28/x
  3. Step 3: Cross multiply
    10,697.42x = 16,032.75 × 5,149.28
  4. Step 4: Simplify right side
    10,697.42x = 82,557,118.92
  5. Step 5: Solve for x
    x = 82,557,118.92/10,697.42
  6. Step 6: Final answer
    x = 7,717.48

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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.