Home / 26,178.24-39,236.22-12,118.62

Finding the Fourth Proportional to 26,178.24, 39,236.22 and 12,118.62

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Solution

The fourth proportional to 26,178.24, 39,236.22 and 12,118.62 is: 18,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.24 : 39,236.22 = 12,118.62 : x
  2. Step 2: Convert to fraction form
    26,178.24/39,236.22 = 12,118.62/x
  3. Step 3: Cross multiply
    26,178.24x = 39,236.22 × 12,118.62
  4. Step 4: Simplify right side
    26,178.24x = 475,488,840.42
  5. Step 5: Solve for x
    x = 475,488,840.42/26,178.24
  6. Step 6: Final answer
    x = 18,163.51

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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.