Home / 11,647.44-16,073.76-6,342.56

Finding the Fourth Proportional to 11,647.44, 16,073.76 and 6,342.56

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Solution

The fourth proportional to 11,647.44, 16,073.76 and 6,342.56 is: 8,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.44 : 16,073.76 = 6,342.56 : x
  2. Step 2: Convert to fraction form
    11,647.44/16,073.76 = 6,342.56/x
  3. Step 3: Cross multiply
    11,647.44x = 16,073.76 × 6,342.56
  4. Step 4: Simplify right side
    11,647.44x = 101,948,706.86
  5. Step 5: Solve for x
    x = 101,948,706.86/11,647.44
  6. Step 6: Final answer
    x = 8,752.89

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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.