Home / 18,976.02-28,464.13-7,882.73

Finding the Fourth Proportional to 18,976.02, 28,464.13 and 7,882.73

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Solution

The fourth proportional to 18,976.02, 28,464.13 and 7,882.73 is: 11,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.02 : 28,464.13 = 7,882.73 : x
  2. Step 2: Convert to fraction form
    18,976.02/28,464.13 = 7,882.73/x
  3. Step 3: Cross multiply
    18,976.02x = 28,464.13 × 7,882.73
  4. Step 4: Simplify right side
    18,976.02x = 224,374,967.86
  5. Step 5: Solve for x
    x = 224,374,967.86/18,976.02
  6. Step 6: Final answer
    x = 11,824.13

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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.