Home / 26,162.90-39,257.56-12,107.10

Finding the Fourth Proportional to 26,162.90, 39,257.56 and 12,107.10

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Solution

The fourth proportional to 26,162.90, 39,257.56 and 12,107.10 is: 18,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.90 : 39,257.56 = 12,107.10 : x
  2. Step 2: Convert to fraction form
    26,162.90/39,257.56 = 12,107.10/x
  3. Step 3: Cross multiply
    26,162.90x = 39,257.56 × 12,107.10
  4. Step 4: Simplify right side
    26,162.90x = 475,295,035.79
  5. Step 5: Solve for x
    x = 475,295,035.79/26,162.90
  6. Step 6: Final answer
    x = 18,166.76

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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.