Home / 12,133.11-18,204.04-4,236.79

Finding the Fourth Proportional to 12,133.11, 18,204.04 and 4,236.79

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Solution

The fourth proportional to 12,133.11, 18,204.04 and 4,236.79 is: 6,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.11 : 18,204.04 = 4,236.79 : x
  2. Step 2: Convert to fraction form
    12,133.11/18,204.04 = 4,236.79/x
  3. Step 3: Cross multiply
    12,133.11x = 18,204.04 × 4,236.79
  4. Step 4: Simplify right side
    12,133.11x = 77,126,638.53
  5. Step 5: Solve for x
    x = 77,126,638.53/12,133.11
  6. Step 6: Final answer
    x = 6,356.71

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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.