Home / 10,346.54-15,520.39-2,950.43

Finding the Fourth Proportional to 10,346.54, 15,520.39 and 2,950.43

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Solution

The fourth proportional to 10,346.54, 15,520.39 and 2,950.43 is: 4,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.54 : 15,520.39 = 2,950.43 : x
  2. Step 2: Convert to fraction form
    10,346.54/15,520.39 = 2,950.43/x
  3. Step 3: Cross multiply
    10,346.54x = 15,520.39 × 2,950.43
  4. Step 4: Simplify right side
    10,346.54x = 45,791,755.89
  5. Step 5: Solve for x
    x = 45,791,755.89/10,346.54
  6. Step 6: Final answer
    x = 4,425.81

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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.