Home / 10,100.57-15,150.63-2,705.03

Finding the Fourth Proportional to 10,100.57, 15,150.63 and 2,705.03

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Solution

The fourth proportional to 10,100.57, 15,150.63 and 2,705.03 is: 4,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.57 : 15,150.63 = 2,705.03 : x
  2. Step 2: Convert to fraction form
    10,100.57/15,150.63 = 2,705.03/x
  3. Step 3: Cross multiply
    10,100.57x = 15,150.63 × 2,705.03
  4. Step 4: Simplify right side
    10,100.57x = 40,982,832.92
  5. Step 5: Solve for x
    x = 40,982,832.92/10,100.57
  6. Step 6: Final answer
    x = 4,057.48

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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.