Home / 11,639.97-16,063.27-6,334.90

Finding the Fourth Proportional to 11,639.97, 16,063.27 and 6,334.90

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Solution

The fourth proportional to 11,639.97, 16,063.27 and 6,334.90 is: 8,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.97 : 16,063.27 = 6,334.90 : x
  2. Step 2: Convert to fraction form
    11,639.97/16,063.27 = 6,334.90/x
  3. Step 3: Cross multiply
    11,639.97x = 16,063.27 × 6,334.90
  4. Step 4: Simplify right side
    11,639.97x = 101,759,153.13
  5. Step 5: Solve for x
    x = 101,759,153.13/11,639.97
  6. Step 6: Final answer
    x = 8,742.22

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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.