Home / 12,176.76-18,266.97-4,383.75

Finding the Fourth Proportional to 12,176.76, 18,266.97 and 4,383.75

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Solution

The fourth proportional to 12,176.76, 18,266.97 and 4,383.75 is: 6,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.76 : 18,266.97 = 4,383.75 : x
  2. Step 2: Convert to fraction form
    12,176.76/18,266.97 = 4,383.75/x
  3. Step 3: Cross multiply
    12,176.76x = 18,266.97 × 4,383.75
  4. Step 4: Simplify right side
    12,176.76x = 80,077,829.74
  5. Step 5: Solve for x
    x = 80,077,829.74/12,176.76
  6. Step 6: Final answer
    x = 6,576.28

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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.