Home / 9,786.42-14,679.66-6,877.74

Finding the Fourth Proportional to 9,786.42, 14,679.66 and 6,877.74

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Solution

The fourth proportional to 9,786.42, 14,679.66 and 6,877.74 is: 10,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.42 : 14,679.66 = 6,877.74 : x
  2. Step 2: Convert to fraction form
    9,786.42/14,679.66 = 6,877.74/x
  3. Step 3: Cross multiply
    9,786.42x = 14,679.66 × 6,877.74
  4. Step 4: Simplify right side
    9,786.42x = 100,962,884.77
  5. Step 5: Solve for x
    x = 100,962,884.77/9,786.42
  6. Step 6: Final answer
    x = 10,316.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.