Home / 10,150.40-15,225.46-2,755.55

Finding the Fourth Proportional to 10,150.40, 15,225.46 and 2,755.55

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Solution

The fourth proportional to 10,150.40, 15,225.46 and 2,755.55 is: 4,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.40 : 15,225.46 = 2,755.55 : x
  2. Step 2: Convert to fraction form
    10,150.40/15,225.46 = 2,755.55/x
  3. Step 3: Cross multiply
    10,150.40x = 15,225.46 × 2,755.55
  4. Step 4: Simplify right side
    10,150.40x = 41,954,516.30
  5. Step 5: Solve for x
    x = 41,954,516.30/10,150.40
  6. Step 6: Final answer
    x = 4,133.29

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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.