Home / 12,222.85-18,337.97-5,110.54

Finding the Fourth Proportional to 12,222.85, 18,337.97 and 5,110.54

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Solution

The fourth proportional to 12,222.85, 18,337.97 and 5,110.54 is: 7,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.85 : 18,337.97 = 5,110.54 : x
  2. Step 2: Convert to fraction form
    12,222.85/18,337.97 = 5,110.54/x
  3. Step 3: Cross multiply
    12,222.85x = 18,337.97 × 5,110.54
  4. Step 4: Simplify right side
    12,222.85x = 93,716,984.91
  5. Step 5: Solve for x
    x = 93,716,984.91/12,222.85
  6. Step 6: Final answer
    x = 7,667.36

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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.