Home / 16,881.36-25,283.97-8,122.83

Finding the Fourth Proportional to 16,881.36, 25,283.97 and 8,122.83

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Solution

The fourth proportional to 16,881.36, 25,283.97 and 8,122.83 is: 12,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.36 : 25,283.97 = 8,122.83 : x
  2. Step 2: Convert to fraction form
    16,881.36/25,283.97 = 8,122.83/x
  3. Step 3: Cross multiply
    16,881.36x = 25,283.97 × 8,122.83
  4. Step 4: Simplify right side
    16,881.36x = 205,377,390.04
  5. Step 5: Solve for x
    x = 205,377,390.04/16,881.36
  6. Step 6: Final answer
    x = 12,165.93

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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.