Home / 11,626.79-16,044.93-6,321.56

Finding the Fourth Proportional to 11,626.79, 16,044.93 and 6,321.56

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Solution

The fourth proportional to 11,626.79, 16,044.93 and 6,321.56 is: 8,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.79 : 16,044.93 = 6,321.56 : x
  2. Step 2: Convert to fraction form
    11,626.79/16,044.93 = 6,321.56/x
  3. Step 3: Cross multiply
    11,626.79x = 16,044.93 × 6,321.56
  4. Step 4: Simplify right side
    11,626.79x = 101,428,907.47
  5. Step 5: Solve for x
    x = 101,428,907.47/11,626.79
  6. Step 6: Final answer
    x = 8,723.73

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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.