Home / 9,961.88-13,741.66-6,229.40

Finding the Fourth Proportional to 9,961.88, 13,741.66 and 6,229.40

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Solution

The fourth proportional to 9,961.88, 13,741.66 and 6,229.40 is: 8,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.88 : 13,741.66 = 6,229.40 : x
  2. Step 2: Convert to fraction form
    9,961.88/13,741.66 = 6,229.40/x
  3. Step 3: Cross multiply
    9,961.88x = 13,741.66 × 6,229.40
  4. Step 4: Simplify right side
    9,961.88x = 85,602,296.80
  5. Step 5: Solve for x
    x = 85,602,296.80/9,961.88
  6. Step 6: Final answer
    x = 8,592.99

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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.