Home / 18,632.02-27,936.50-8,773.78

Finding the Fourth Proportional to 18,632.02, 27,936.50 and 8,773.78

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Solution

The fourth proportional to 18,632.02, 27,936.50 and 8,773.78 is: 13,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.02 : 27,936.50 = 8,773.78 : x
  2. Step 2: Convert to fraction form
    18,632.02/27,936.50 = 8,773.78/x
  3. Step 3: Cross multiply
    18,632.02x = 27,936.50 × 8,773.78
  4. Step 4: Simplify right side
    18,632.02x = 245,108,704.97
  5. Step 5: Solve for x
    x = 245,108,704.97/18,632.02
  6. Step 6: Final answer
    x = 13,155.24

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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.