Home / 18,069.16-27,115.64-6,381.96

Finding the Fourth Proportional to 18,069.16, 27,115.64 and 6,381.96

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Solution

The fourth proportional to 18,069.16, 27,115.64 and 6,381.96 is: 9,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.16 : 27,115.64 = 6,381.96 : x
  2. Step 2: Convert to fraction form
    18,069.16/27,115.64 = 6,381.96/x
  3. Step 3: Cross multiply
    18,069.16x = 27,115.64 × 6,381.96
  4. Step 4: Simplify right side
    18,069.16x = 173,050,929.85
  5. Step 5: Solve for x
    x = 173,050,929.85/18,069.16
  6. Step 6: Final answer
    x = 9,577.14

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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.