Home / 11,765.32-17,639.37-5,522.11

Finding the Fourth Proportional to 11,765.32, 17,639.37 and 5,522.11

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Solution

The fourth proportional to 11,765.32, 17,639.37 and 5,522.11 is: 8,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.32 : 17,639.37 = 5,522.11 : x
  2. Step 2: Convert to fraction form
    11,765.32/17,639.37 = 5,522.11/x
  3. Step 3: Cross multiply
    11,765.32x = 17,639.37 × 5,522.11
  4. Step 4: Simplify right side
    11,765.32x = 97,406,497.37
  5. Step 5: Solve for x
    x = 97,406,497.37/11,765.32
  6. Step 6: Final answer
    x = 8,279.12

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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.