Home / 26,171.76-39,198.24-12,994.68

Finding the Fourth Proportional to 26,171.76, 39,198.24 and 12,994.68

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Solution

The fourth proportional to 26,171.76, 39,198.24 and 12,994.68 is: 19,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.76 : 39,198.24 = 12,994.68 : x
  2. Step 2: Convert to fraction form
    26,171.76/39,198.24 = 12,994.68/x
  3. Step 3: Cross multiply
    26,171.76x = 39,198.24 × 12,994.68
  4. Step 4: Simplify right side
    26,171.76x = 509,368,585.36
  5. Step 5: Solve for x
    x = 509,368,585.36/26,171.76
  6. Step 6: Final answer
    x = 19,462.53

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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.