Home / 18,084.30-27,126.45-11,883.75

Finding the Fourth Proportional to 18,084.30, 27,126.45 and 11,883.75

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Solution

The fourth proportional to 18,084.30, 27,126.45 and 11,883.75 is: 17,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.30 : 27,126.45 = 11,883.75 : x
  2. Step 2: Convert to fraction form
    18,084.30/27,126.45 = 11,883.75/x
  3. Step 3: Cross multiply
    18,084.30x = 27,126.45 × 11,883.75
  4. Step 4: Simplify right side
    18,084.30x = 322,363,950.19
  5. Step 5: Solve for x
    x = 322,363,950.19/18,084.30
  6. Step 6: Final answer
    x = 17,825.63

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1.5x scale

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.