Home / 12,280.11-18,410.22-3,842.27

Finding the Fourth Proportional to 12,280.11, 18,410.22 and 3,842.27

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Solution

The fourth proportional to 12,280.11, 18,410.22 and 3,842.27 is: 5,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.11 : 18,410.22 = 3,842.27 : x
  2. Step 2: Convert to fraction form
    12,280.11/18,410.22 = 3,842.27/x
  3. Step 3: Cross multiply
    12,280.11x = 18,410.22 × 3,842.27
  4. Step 4: Simplify right side
    12,280.11x = 70,736,943.95
  5. Step 5: Solve for x
    x = 70,736,943.95/12,280.11
  6. Step 6: Final answer
    x = 5,760.29

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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.