Home / 11,638.88-16,061.66-6,333.68

Finding the Fourth Proportional to 11,638.88, 16,061.66 and 6,333.68

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Solution

The fourth proportional to 11,638.88, 16,061.66 and 6,333.68 is: 8,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.88 : 16,061.66 = 6,333.68 : x
  2. Step 2: Convert to fraction form
    11,638.88/16,061.66 = 6,333.68/x
  3. Step 3: Cross multiply
    11,638.88x = 16,061.66 × 6,333.68
  4. Step 4: Simplify right side
    11,638.88x = 101,729,414.71
  5. Step 5: Solve for x
    x = 101,729,414.71/11,638.88
  6. Step 6: Final answer
    x = 8,740.48

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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.