Home / 18,837.97-28,257.12-5,690.86

Finding the Fourth Proportional to 18,837.97, 28,257.12 and 5,690.86

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Solution

The fourth proportional to 18,837.97, 28,257.12 and 5,690.86 is: 8,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.97 : 28,257.12 = 5,690.86 : x
  2. Step 2: Convert to fraction form
    18,837.97/28,257.12 = 5,690.86/x
  3. Step 3: Cross multiply
    18,837.97x = 28,257.12 × 5,690.86
  4. Step 4: Simplify right side
    18,837.97x = 160,807,243.28
  5. Step 5: Solve for x
    x = 160,807,243.28/18,837.97
  6. Step 6: Final answer
    x = 8,536.34

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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.