Home / 11,740.08-17,613-3,420.17

Finding the Fourth Proportional to 11,740.08, 17,613 and 3,420.17

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Solution

The fourth proportional to 11,740.08, 17,613 and 3,420.17 is: 5,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.08 : 17,613 = 3,420.17 : x
  2. Step 2: Convert to fraction form
    11,740.08/17,613 = 3,420.17/x
  3. Step 3: Cross multiply
    11,740.08x = 17,613 × 3,420.17
  4. Step 4: Simplify right side
    11,740.08x = 60,239,366.15
  5. Step 5: Solve for x
    x = 60,239,366.15/11,740.08
  6. Step 6: Final answer
    x = 5,131.09

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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.