Home / 11,639.70-16,062.30-6,334.20

Finding the Fourth Proportional to 11,639.70, 16,062.30 and 6,334.20

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Solution

The fourth proportional to 11,639.70, 16,062.30 and 6,334.20 is: 8,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.70 : 16,062.30 = 6,334.20 : x
  2. Step 2: Convert to fraction form
    11,639.70/16,062.30 = 6,334.20/x
  3. Step 3: Cross multiply
    11,639.70x = 16,062.30 × 6,334.20
  4. Step 4: Simplify right side
    11,639.70x = 101,741,820.66
  5. Step 5: Solve for x
    x = 101,741,820.66/11,639.70
  6. Step 6: Final answer
    x = 8,740.93

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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.