Home / 11,974.23-16,519.24-8,389.85

Finding the Fourth Proportional to 11,974.23, 16,519.24 and 8,389.85

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Solution

The fourth proportional to 11,974.23, 16,519.24 and 8,389.85 is: 11,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.23 : 16,519.24 = 8,389.85 : x
  2. Step 2: Convert to fraction form
    11,974.23/16,519.24 = 8,389.85/x
  3. Step 3: Cross multiply
    11,974.23x = 16,519.24 × 8,389.85
  4. Step 4: Simplify right side
    11,974.23x = 138,593,873.61
  5. Step 5: Solve for x
    x = 138,593,873.61/11,974.23
  6. Step 6: Final answer
    x = 11,574.35

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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.