Home / 11,031.99-16,542.60-3,913.82

Finding the Fourth Proportional to 11,031.99, 16,542.60 and 3,913.82

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Solution

The fourth proportional to 11,031.99, 16,542.60 and 3,913.82 is: 5,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.99 : 16,542.60 = 3,913.82 : x
  2. Step 2: Convert to fraction form
    11,031.99/16,542.60 = 3,913.82/x
  3. Step 3: Cross multiply
    11,031.99x = 16,542.60 × 3,913.82
  4. Step 4: Simplify right side
    11,031.99x = 64,744,727.16
  5. Step 5: Solve for x
    x = 64,744,727.16/11,031.99
  6. Step 6: Final answer
    x = 5,868.82

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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.