Home / 12,084.45-18,126.67-3,320.04

Finding the Fourth Proportional to 12,084.45, 18,126.67 and 3,320.04

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Solution

The fourth proportional to 12,084.45, 18,126.67 and 3,320.04 is: 4,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.45 : 18,126.67 = 3,320.04 : x
  2. Step 2: Convert to fraction form
    12,084.45/18,126.67 = 3,320.04/x
  3. Step 3: Cross multiply
    12,084.45x = 18,126.67 × 3,320.04
  4. Step 4: Simplify right side
    12,084.45x = 60,181,269.47
  5. Step 5: Solve for x
    x = 60,181,269.47/12,084.45
  6. Step 6: Final answer
    x = 4,980.06

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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.