Home / 11,175.59-16,762.36-3,780.11

Finding the Fourth Proportional to 11,175.59, 16,762.36 and 3,780.11

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Solution

The fourth proportional to 11,175.59, 16,762.36 and 3,780.11 is: 5,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.59 : 16,762.36 = 3,780.11 : x
  2. Step 2: Convert to fraction form
    11,175.59/16,762.36 = 3,780.11/x
  3. Step 3: Cross multiply
    11,175.59x = 16,762.36 × 3,780.11
  4. Step 4: Simplify right side
    11,175.59x = 63,363,597.12
  5. Step 5: Solve for x
    x = 63,363,597.12/11,175.59
  6. Step 6: Final answer
    x = 5,669.82

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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.