Home / 11,144.32-15,378.56-6,176

Finding the Fourth Proportional to 11,144.32, 15,378.56 and 6,176

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Solution

The fourth proportional to 11,144.32, 15,378.56 and 6,176 is: 8,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.32 : 15,378.56 = 6,176 : x
  2. Step 2: Convert to fraction form
    11,144.32/15,378.56 = 6,176/x
  3. Step 3: Cross multiply
    11,144.32x = 15,378.56 × 6,176
  4. Step 4: Simplify right side
    11,144.32x = 94,977,986.56
  5. Step 5: Solve for x
    x = 94,977,986.56/11,144.32
  6. Step 6: Final answer
    x = 8,522.55

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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.