Home / 16,855.74-25,287.45-5,169.90

Finding the Fourth Proportional to 16,855.74, 25,287.45 and 5,169.90

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Solution

The fourth proportional to 16,855.74, 25,287.45 and 5,169.90 is: 7,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.74 : 25,287.45 = 5,169.90 : x
  2. Step 2: Convert to fraction form
    16,855.74/25,287.45 = 5,169.90/x
  3. Step 3: Cross multiply
    16,855.74x = 25,287.45 × 5,169.90
  4. Step 4: Simplify right side
    16,855.74x = 130,733,587.76
  5. Step 5: Solve for x
    x = 130,733,587.76/16,855.74
  6. Step 6: Final answer
    x = 7,756.03

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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.