Home / 12,427.04-18,643.37-4,107.94

Finding the Fourth Proportional to 12,427.04, 18,643.37 and 4,107.94

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Solution

The fourth proportional to 12,427.04, 18,643.37 and 4,107.94 is: 6,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.04 : 18,643.37 = 4,107.94 : x
  2. Step 2: Convert to fraction form
    12,427.04/18,643.37 = 4,107.94/x
  3. Step 3: Cross multiply
    12,427.04x = 18,643.37 × 4,107.94
  4. Step 4: Simplify right side
    12,427.04x = 76,585,778.21
  5. Step 5: Solve for x
    x = 76,585,778.21/12,427.04
  6. Step 6: Final answer
    x = 6,162.83

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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.