Home / 11,808.80-17,697.12-5,567.84

Finding the Fourth Proportional to 11,808.80, 17,697.12 and 5,567.84

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Solution

The fourth proportional to 11,808.80, 17,697.12 and 5,567.84 is: 8,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.80 : 17,697.12 = 5,567.84 : x
  2. Step 2: Convert to fraction form
    11,808.80/17,697.12 = 5,567.84/x
  3. Step 3: Cross multiply
    11,808.80x = 17,697.12 × 5,567.84
  4. Step 4: Simplify right side
    11,808.80x = 98,534,732.62
  5. Step 5: Solve for x
    x = 98,534,732.62/11,808.80
  6. Step 6: Final answer
    x = 8,344.18

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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.