Home / 10,220.38-15,331.43-2,824.83

Finding the Fourth Proportional to 10,220.38, 15,331.43 and 2,824.83

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Solution

The fourth proportional to 10,220.38, 15,331.43 and 2,824.83 is: 4,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.38 : 15,331.43 = 2,824.83 : x
  2. Step 2: Convert to fraction form
    10,220.38/15,331.43 = 2,824.83/x
  3. Step 3: Cross multiply
    10,220.38x = 15,331.43 × 2,824.83
  4. Step 4: Simplify right side
    10,220.38x = 43,308,690.47
  5. Step 5: Solve for x
    x = 43,308,690.47/10,220.38
  6. Step 6: Final answer
    x = 4,237.48

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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.