Home / 9,736.21-13,427.15-6,377.80

Finding the Fourth Proportional to 9,736.21, 13,427.15 and 6,377.80

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Solution

The fourth proportional to 9,736.21, 13,427.15 and 6,377.80 is: 8,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.21 : 13,427.15 = 6,377.80 : x
  2. Step 2: Convert to fraction form
    9,736.21/13,427.15 = 6,377.80/x
  3. Step 3: Cross multiply
    9,736.21x = 13,427.15 × 6,377.80
  4. Step 4: Simplify right side
    9,736.21x = 85,635,672.86
  5. Step 5: Solve for x
    x = 85,635,672.86/9,736.21
  6. Step 6: Final answer
    x = 8,795.58

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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.