Home / 12,134.74-18,202.11-3,369.66

Finding the Fourth Proportional to 12,134.74, 18,202.11 and 3,369.66

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Solution

The fourth proportional to 12,134.74, 18,202.11 and 3,369.66 is: 5,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.74 : 18,202.11 = 3,369.66 : x
  2. Step 2: Convert to fraction form
    12,134.74/18,202.11 = 3,369.66/x
  3. Step 3: Cross multiply
    12,134.74x = 18,202.11 × 3,369.66
  4. Step 4: Simplify right side
    12,134.74x = 61,334,921.98
  5. Step 5: Solve for x
    x = 61,334,921.98/12,134.74
  6. Step 6: Final answer
    x = 5,054.49

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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.