Home / 18,205.80-27,291.64-9,873.60

Finding the Fourth Proportional to 18,205.80, 27,291.64 and 9,873.60

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Solution

The fourth proportional to 18,205.80, 27,291.64 and 9,873.60 is: 14,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.80 : 27,291.64 = 9,873.60 : x
  2. Step 2: Convert to fraction form
    18,205.80/27,291.64 = 9,873.60/x
  3. Step 3: Cross multiply
    18,205.80x = 27,291.64 × 9,873.60
  4. Step 4: Simplify right side
    18,205.80x = 269,466,736.70
  5. Step 5: Solve for x
    x = 269,466,736.70/18,205.80
  6. Step 6: Final answer
    x = 14,801.15

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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.