Home / 11,079.84-16,619.76-3,288.72

Finding the Fourth Proportional to 11,079.84, 16,619.76 and 3,288.72

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Solution

The fourth proportional to 11,079.84, 16,619.76 and 3,288.72 is: 4,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.84 : 16,619.76 = 3,288.72 : x
  2. Step 2: Convert to fraction form
    11,079.84/16,619.76 = 3,288.72/x
  3. Step 3: Cross multiply
    11,079.84x = 16,619.76 × 3,288.72
  4. Step 4: Simplify right side
    11,079.84x = 54,657,737.11
  5. Step 5: Solve for x
    x = 54,657,737.11/11,079.84
  6. Step 6: Final answer
    x = 4,933.08

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Similar ratio
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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.