Home / 12,149.58-18,224.37-6,951.81

Finding the Fourth Proportional to 12,149.58, 18,224.37 and 6,951.81

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Solution

The fourth proportional to 12,149.58, 18,224.37 and 6,951.81 is: 10,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.58 : 18,224.37 = 6,951.81 : x
  2. Step 2: Convert to fraction form
    12,149.58/18,224.37 = 6,951.81/x
  3. Step 3: Cross multiply
    12,149.58x = 18,224.37 × 6,951.81
  4. Step 4: Simplify right side
    12,149.58x = 126,692,357.61
  5. Step 5: Solve for x
    x = 126,692,357.61/12,149.58
  6. Step 6: Final answer
    x = 10,427.72

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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.