Home / 21,034.58-31,556.82-6,243.62

Finding the Fourth Proportional to 21,034.58, 31,556.82 and 6,243.62

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Solution

The fourth proportional to 21,034.58, 31,556.82 and 6,243.62 is: 9,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.58 : 31,556.82 = 6,243.62 : x
  2. Step 2: Convert to fraction form
    21,034.58/31,556.82 = 6,243.62/x
  3. Step 3: Cross multiply
    21,034.58x = 31,556.82 × 6,243.62
  4. Step 4: Simplify right side
    21,034.58x = 197,028,792.49
  5. Step 5: Solve for x
    x = 197,028,792.49/21,034.58
  6. Step 6: Final answer
    x = 9,366.90

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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.