Home / 11,209.60-16,809.54-3,812.08

Finding the Fourth Proportional to 11,209.60, 16,809.54 and 3,812.08

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Solution

The fourth proportional to 11,209.60, 16,809.54 and 3,812.08 is: 5,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.60 : 16,809.54 = 3,812.08 : x
  2. Step 2: Convert to fraction form
    11,209.60/16,809.54 = 3,812.08/x
  3. Step 3: Cross multiply
    11,209.60x = 16,809.54 × 3,812.08
  4. Step 4: Simplify right side
    11,209.60x = 64,079,311.24
  5. Step 5: Solve for x
    x = 64,079,311.24/11,209.60
  6. Step 6: Final answer
    x = 5,716.47

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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.