Home / 10,209.54-15,314.46-3,635.55

Finding the Fourth Proportional to 10,209.54, 15,314.46 and 3,635.55

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Solution

The fourth proportional to 10,209.54, 15,314.46 and 3,635.55 is: 5,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.54 : 15,314.46 = 3,635.55 : x
  2. Step 2: Convert to fraction form
    10,209.54/15,314.46 = 3,635.55/x
  3. Step 3: Cross multiply
    10,209.54x = 15,314.46 × 3,635.55
  4. Step 4: Simplify right side
    10,209.54x = 55,676,485.05
  5. Step 5: Solve for x
    x = 55,676,485.05/10,209.54
  6. Step 6: Final answer
    x = 5,453.38

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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.