Home / 12,100.08-18,134.19-11,310.87

Finding the Fourth Proportional to 12,100.08, 18,134.19 and 11,310.87

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Solution

The fourth proportional to 12,100.08, 18,134.19 and 11,310.87 is: 16,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.08 : 18,134.19 = 11,310.87 : x
  2. Step 2: Convert to fraction form
    12,100.08/18,134.19 = 11,310.87/x
  3. Step 3: Cross multiply
    12,100.08x = 18,134.19 × 11,310.87
  4. Step 4: Simplify right side
    12,100.08x = 205,113,465.65
  5. Step 5: Solve for x
    x = 205,113,465.65/12,100.08
  6. Step 6: Final answer
    x = 16,951.41

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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.