Home / 11,500.11-17,239.91-4,103.49

Finding the Fourth Proportional to 11,500.11, 17,239.91 and 4,103.49

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Solution

The fourth proportional to 11,500.11, 17,239.91 and 4,103.49 is: 6,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.11 : 17,239.91 = 4,103.49 : x
  2. Step 2: Convert to fraction form
    11,500.11/17,239.91 = 4,103.49/x
  3. Step 3: Cross multiply
    11,500.11x = 17,239.91 × 4,103.49
  4. Step 4: Simplify right side
    11,500.11x = 70,743,798.29
  5. Step 5: Solve for x
    x = 70,743,798.29/11,500.11
  6. Step 6: Final answer
    x = 6,151.58

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1.5x scale

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.