Home / 18,168.36-27,214.24-8,315.92

Finding the Fourth Proportional to 18,168.36, 27,214.24 and 8,315.92

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Solution

The fourth proportional to 18,168.36, 27,214.24 and 8,315.92 is: 12,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.36 : 27,214.24 = 8,315.92 : x
  2. Step 2: Convert to fraction form
    18,168.36/27,214.24 = 8,315.92/x
  3. Step 3: Cross multiply
    18,168.36x = 27,214.24 × 8,315.92
  4. Step 4: Simplify right side
    18,168.36x = 226,311,442.70
  5. Step 5: Solve for x
    x = 226,311,442.70/18,168.36
  6. Step 6: Final answer
    x = 12,456.35

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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.