Home / 10,694.70-14,761.26-6,221.70

Finding the Fourth Proportional to 10,694.70, 14,761.26 and 6,221.70

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Solution

The fourth proportional to 10,694.70, 14,761.26 and 6,221.70 is: 8,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.70 : 14,761.26 = 6,221.70 : x
  2. Step 2: Convert to fraction form
    10,694.70/14,761.26 = 6,221.70/x
  3. Step 3: Cross multiply
    10,694.70x = 14,761.26 × 6,221.70
  4. Step 4: Simplify right side
    10,694.70x = 91,840,131.34
  5. Step 5: Solve for x
    x = 91,840,131.34/10,694.70
  6. Step 6: Final answer
    x = 8,587.44

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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.