Home / 12,942.13-19,399.33-6,695.85

Finding the Fourth Proportional to 12,942.13, 19,399.33 and 6,695.85

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Solution

The fourth proportional to 12,942.13, 19,399.33 and 6,695.85 is: 10,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.13 : 19,399.33 = 6,695.85 : x
  2. Step 2: Convert to fraction form
    12,942.13/19,399.33 = 6,695.85/x
  3. Step 3: Cross multiply
    12,942.13x = 19,399.33 × 6,695.85
  4. Step 4: Simplify right side
    12,942.13x = 129,895,003.78
  5. Step 5: Solve for x
    x = 129,895,003.78/12,942.13
  6. Step 6: Final answer
    x = 10,036.60

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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.