Home / 11,770.61-17,655.90-3,005.52

Finding the Fourth Proportional to 11,770.61, 17,655.90 and 3,005.52

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Solution

The fourth proportional to 11,770.61, 17,655.90 and 3,005.52 is: 4,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.61 : 17,655.90 = 3,005.52 : x
  2. Step 2: Convert to fraction form
    11,770.61/17,655.90 = 3,005.52/x
  3. Step 3: Cross multiply
    11,770.61x = 17,655.90 × 3,005.52
  4. Step 4: Simplify right side
    11,770.61x = 53,065,160.57
  5. Step 5: Solve for x
    x = 53,065,160.57/11,770.61
  6. Step 6: Final answer
    x = 4,508.28

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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.