Home / 18,065.45-27,101.12-5,582.57

Finding the Fourth Proportional to 18,065.45, 27,101.12 and 5,582.57

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Solution

The fourth proportional to 18,065.45, 27,101.12 and 5,582.57 is: 8,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.45 : 27,101.12 = 5,582.57 : x
  2. Step 2: Convert to fraction form
    18,065.45/27,101.12 = 5,582.57/x
  3. Step 3: Cross multiply
    18,065.45x = 27,101.12 × 5,582.57
  4. Step 4: Simplify right side
    18,065.45x = 151,293,736.06
  5. Step 5: Solve for x
    x = 151,293,736.06/18,065.45
  6. Step 6: Final answer
    x = 8,374.75

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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.