Home / 14,236.70-21,357.27-6,839.78

Finding the Fourth Proportional to 14,236.70, 21,357.27 and 6,839.78

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Solution

The fourth proportional to 14,236.70, 21,357.27 and 6,839.78 is: 10,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.70 : 21,357.27 = 6,839.78 : x
  2. Step 2: Convert to fraction form
    14,236.70/21,357.27 = 6,839.78/x
  3. Step 3: Cross multiply
    14,236.70x = 21,357.27 × 6,839.78
  4. Step 4: Simplify right side
    14,236.70x = 146,079,028.20
  5. Step 5: Solve for x
    x = 146,079,028.20/14,236.70
  6. Step 6: Final answer
    x = 10,260.74

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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.