Home / 12,394.50-18,595.11-3,629.34

Finding the Fourth Proportional to 12,394.50, 18,595.11 and 3,629.34

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Solution

The fourth proportional to 12,394.50, 18,595.11 and 3,629.34 is: 5,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.50 : 18,595.11 = 3,629.34 : x
  2. Step 2: Convert to fraction form
    12,394.50/18,595.11 = 3,629.34/x
  3. Step 3: Cross multiply
    12,394.50x = 18,595.11 × 3,629.34
  4. Step 4: Simplify right side
    12,394.50x = 67,487,976.53
  5. Step 5: Solve for x
    x = 67,487,976.53/12,394.50
  6. Step 6: Final answer
    x = 5,444.99

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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.