Home / 11,222.62-15,486.95-6,186.72

Finding the Fourth Proportional to 11,222.62, 15,486.95 and 6,186.72

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Solution

The fourth proportional to 11,222.62, 15,486.95 and 6,186.72 is: 8,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.62 : 15,486.95 = 6,186.72 : x
  2. Step 2: Convert to fraction form
    11,222.62/15,486.95 = 6,186.72/x
  3. Step 3: Cross multiply
    11,222.62x = 15,486.95 × 6,186.72
  4. Step 4: Simplify right side
    11,222.62x = 95,813,496.85
  5. Step 5: Solve for x
    x = 95,813,496.85/11,222.62
  6. Step 6: Final answer
    x = 8,537.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.