Home / 10,220.28-15,330.38-2,824.73

Finding the Fourth Proportional to 10,220.28, 15,330.38 and 2,824.73

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Solution

The fourth proportional to 10,220.28, 15,330.38 and 2,824.73 is: 4,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.28 : 15,330.38 = 2,824.73 : x
  2. Step 2: Convert to fraction form
    10,220.28/15,330.38 = 2,824.73/x
  3. Step 3: Cross multiply
    10,220.28x = 15,330.38 × 2,824.73
  4. Step 4: Simplify right side
    10,220.28x = 43,304,114.71
  5. Step 5: Solve for x
    x = 43,304,114.71/10,220.28
  6. Step 6: Final answer
    x = 4,237.08

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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.