Home / 18,811.20-28,226.52-10,048.80

Finding the Fourth Proportional to 18,811.20, 28,226.52 and 10,048.80

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Solution

The fourth proportional to 18,811.20, 28,226.52 and 10,048.80 is: 15,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.20 : 28,226.52 = 10,048.80 : x
  2. Step 2: Convert to fraction form
    18,811.20/28,226.52 = 10,048.80/x
  3. Step 3: Cross multiply
    18,811.20x = 28,226.52 × 10,048.80
  4. Step 4: Simplify right side
    18,811.20x = 283,642,654.18
  5. Step 5: Solve for x
    x = 283,642,654.18/18,811.20
  6. Step 6: Final answer
    x = 15,078.39

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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.