Home / 13,550.14-20,278.50-8,282.44

Finding the Fourth Proportional to 13,550.14, 20,278.50 and 8,282.44

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Solution

The fourth proportional to 13,550.14, 20,278.50 and 8,282.44 is: 12,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.14 : 20,278.50 = 8,282.44 : x
  2. Step 2: Convert to fraction form
    13,550.14/20,278.50 = 8,282.44/x
  3. Step 3: Cross multiply
    13,550.14x = 20,278.50 × 8,282.44
  4. Step 4: Simplify right side
    13,550.14x = 167,955,459.54
  5. Step 5: Solve for x
    x = 167,955,459.54/13,550.14
  6. Step 6: Final answer
    x = 12,395.11

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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.