Home / 11,081.01-16,618.68-3,288

Finding the Fourth Proportional to 11,081.01, 16,618.68 and 3,288

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Solution

The fourth proportional to 11,081.01, 16,618.68 and 3,288 is: 4,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.01 : 16,618.68 = 3,288 : x
  2. Step 2: Convert to fraction form
    11,081.01/16,618.68 = 3,288/x
  3. Step 3: Cross multiply
    11,081.01x = 16,618.68 × 3,288
  4. Step 4: Simplify right side
    11,081.01x = 54,642,219.84
  5. Step 5: Solve for x
    x = 54,642,219.84/11,081.01
  6. Step 6: Final answer
    x = 4,931.16

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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.