Home / 18,836.22-28,219.89-8,822.58

Finding the Fourth Proportional to 18,836.22, 28,219.89 and 8,822.58

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Solution

The fourth proportional to 18,836.22, 28,219.89 and 8,822.58 is: 13,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.22 : 28,219.89 = 8,822.58 : x
  2. Step 2: Convert to fraction form
    18,836.22/28,219.89 = 8,822.58/x
  3. Step 3: Cross multiply
    18,836.22x = 28,219.89 × 8,822.58
  4. Step 4: Simplify right side
    18,836.22x = 248,972,237.12
  5. Step 5: Solve for x
    x = 248,972,237.12/18,836.22
  6. Step 6: Final answer
    x = 13,217.74

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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.