Home / 10,623.20-15,938.28-3,227.96

Finding the Fourth Proportional to 10,623.20, 15,938.28 and 3,227.96

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Solution

The fourth proportional to 10,623.20, 15,938.28 and 3,227.96 is: 4,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.20 : 15,938.28 = 3,227.96 : x
  2. Step 2: Convert to fraction form
    10,623.20/15,938.28 = 3,227.96/x
  3. Step 3: Cross multiply
    10,623.20x = 15,938.28 × 3,227.96
  4. Step 4: Simplify right side
    10,623.20x = 51,448,130.31
  5. Step 5: Solve for x
    x = 51,448,130.31/10,623.20
  6. Step 6: Final answer
    x = 4,843.00

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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.