Home / 18,385.89-27,578.22-10,069.83

Finding the Fourth Proportional to 18,385.89, 27,578.22 and 10,069.83

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Solution

The fourth proportional to 18,385.89, 27,578.22 and 10,069.83 is: 15,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.89 : 27,578.22 = 10,069.83 : x
  2. Step 2: Convert to fraction form
    18,385.89/27,578.22 = 10,069.83/x
  3. Step 3: Cross multiply
    18,385.89x = 27,578.22 × 10,069.83
  4. Step 4: Simplify right side
    18,385.89x = 277,707,987.10
  5. Step 5: Solve for x
    x = 277,707,987.10/18,385.89
  6. Step 6: Final answer
    x = 15,104.41

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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.