Home / 11,222.42-15,486.96-6,442.52

Finding the Fourth Proportional to 11,222.42, 15,486.96 and 6,442.52

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Solution

The fourth proportional to 11,222.42, 15,486.96 and 6,442.52 is: 8,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.42 : 15,486.96 = 6,442.52 : x
  2. Step 2: Convert to fraction form
    11,222.42/15,486.96 = 6,442.52/x
  3. Step 3: Cross multiply
    11,222.42x = 15,486.96 × 6,442.52
  4. Step 4: Simplify right side
    11,222.42x = 99,775,049.54
  5. Step 5: Solve for x
    x = 99,775,049.54/11,222.42
  6. Step 6: Final answer
    x = 8,890.69

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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.