Home / 18,524.00-27,777.60-7,989.04

Finding the Fourth Proportional to 18,524.00, 27,777.60 and 7,989.04

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Solution

The fourth proportional to 18,524.00, 27,777.60 and 7,989.04 is: 11,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.00 : 27,777.60 = 7,989.04 : x
  2. Step 2: Convert to fraction form
    18,524.00/27,777.60 = 7,989.04/x
  3. Step 3: Cross multiply
    18,524.00x = 27,777.60 × 7,989.04
  4. Step 4: Simplify right side
    18,524.00x = 221,916,392.23
  5. Step 5: Solve for x
    x = 221,916,392.23/18,524.00
  6. Step 6: Final answer
    x = 11,979.94

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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.