Home / 10,015.70-13,821.45-6,236.96

Finding the Fourth Proportional to 10,015.70, 13,821.45 and 6,236.96

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Solution

The fourth proportional to 10,015.70, 13,821.45 and 6,236.96 is: 8,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.70 : 13,821.45 = 6,236.96 : x
  2. Step 2: Convert to fraction form
    10,015.70/13,821.45 = 6,236.96/x
  3. Step 3: Cross multiply
    10,015.70x = 13,821.45 × 6,236.96
  4. Step 4: Simplify right side
    10,015.70x = 86,203,761.68
  5. Step 5: Solve for x
    x = 86,203,761.68/10,015.70
  6. Step 6: Final answer
    x = 8,606.87

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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.