Home / 12,791.68-19,187.96-4,026.67

Finding the Fourth Proportional to 12,791.68, 19,187.96 and 4,026.67

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Solution

The fourth proportional to 12,791.68, 19,187.96 and 4,026.67 is: 6,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.68 : 19,187.96 = 4,026.67 : x
  2. Step 2: Convert to fraction form
    12,791.68/19,187.96 = 4,026.67/x
  3. Step 3: Cross multiply
    12,791.68x = 19,187.96 × 4,026.67
  4. Step 4: Simplify right side
    12,791.68x = 77,263,514.79
  5. Step 5: Solve for x
    x = 77,263,514.79/12,791.68
  6. Step 6: Final answer
    x = 6,040.14

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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.