Home / 26,212.26-39,311.63-12,158.51

Finding the Fourth Proportional to 26,212.26, 39,311.63 and 12,158.51

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Solution

The fourth proportional to 26,212.26, 39,311.63 and 12,158.51 is: 18,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.26 : 39,311.63 = 12,158.51 : x
  2. Step 2: Convert to fraction form
    26,212.26/39,311.63 = 12,158.51/x
  3. Step 3: Cross multiply
    26,212.26x = 39,311.63 × 12,158.51
  4. Step 4: Simplify right side
    26,212.26x = 477,970,634.72
  5. Step 5: Solve for x
    x = 477,970,634.72/26,212.26
  6. Step 6: Final answer
    x = 18,234.62

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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.