Home / 21,027.19-31,540.89-6,236.23

Finding the Fourth Proportional to 21,027.19, 31,540.89 and 6,236.23

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Solution

The fourth proportional to 21,027.19, 31,540.89 and 6,236.23 is: 9,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.19 : 31,540.89 = 6,236.23 : x
  2. Step 2: Convert to fraction form
    21,027.19/31,540.89 = 6,236.23/x
  3. Step 3: Cross multiply
    21,027.19x = 31,540.89 × 6,236.23
  4. Step 4: Simplify right side
    21,027.19x = 196,696,244.44
  5. Step 5: Solve for x
    x = 196,696,244.44/21,027.19
  6. Step 6: Final answer
    x = 9,354.38

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Double scale
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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.