Home / 21,026.69-31,540.14-6,235.73

Finding the Fourth Proportional to 21,026.69, 31,540.14 and 6,235.73

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Solution

The fourth proportional to 21,026.69, 31,540.14 and 6,235.73 is: 9,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.69 : 31,540.14 = 6,235.73 : x
  2. Step 2: Convert to fraction form
    21,026.69/31,540.14 = 6,235.73/x
  3. Step 3: Cross multiply
    21,026.69x = 31,540.14 × 6,235.73
  4. Step 4: Simplify right side
    21,026.69x = 196,675,797.20
  5. Step 5: Solve for x
    x = 196,675,797.20/21,026.69
  6. Step 6: Final answer
    x = 9,353.63

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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.