Home / 18,822.44-28,209.36-8,964.74

Finding the Fourth Proportional to 18,822.44, 28,209.36 and 8,964.74

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Solution

The fourth proportional to 18,822.44, 28,209.36 and 8,964.74 is: 13,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.44 : 28,209.36 = 8,964.74 : x
  2. Step 2: Convert to fraction form
    18,822.44/28,209.36 = 8,964.74/x
  3. Step 3: Cross multiply
    18,822.44x = 28,209.36 × 8,964.74
  4. Step 4: Simplify right side
    18,822.44x = 252,889,577.97
  5. Step 5: Solve for x
    x = 252,889,577.97/18,822.44
  6. Step 6: Final answer
    x = 13,435.54

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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.