Home / 12,351.96-17,046.68-7,045.56

Finding the Fourth Proportional to 12,351.96, 17,046.68 and 7,045.56

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Solution

The fourth proportional to 12,351.96, 17,046.68 and 7,045.56 is: 9,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.96 : 17,046.68 = 7,045.56 : x
  2. Step 2: Convert to fraction form
    12,351.96/17,046.68 = 7,045.56/x
  3. Step 3: Cross multiply
    12,351.96x = 17,046.68 × 7,045.56
  4. Step 4: Simplify right side
    12,351.96x = 120,103,406.74
  5. Step 5: Solve for x
    x = 120,103,406.74/12,351.96
  6. Step 6: Final answer
    x = 9,723.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.