Home / 10,891.19-16,338.44-3,873.49

Finding the Fourth Proportional to 10,891.19, 16,338.44 and 3,873.49

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Solution

The fourth proportional to 10,891.19, 16,338.44 and 3,873.49 is: 5,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.19 : 16,338.44 = 3,873.49 : x
  2. Step 2: Convert to fraction form
    10,891.19/16,338.44 = 3,873.49/x
  3. Step 3: Cross multiply
    10,891.19x = 16,338.44 × 3,873.49
  4. Step 4: Simplify right side
    10,891.19x = 63,286,752.79
  5. Step 5: Solve for x
    x = 63,286,752.79/10,891.19
  6. Step 6: Final answer
    x = 5,810.82

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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.