Home / 10,305.20-15,458.44-2,910.22

Finding the Fourth Proportional to 10,305.20, 15,458.44 and 2,910.22

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Solution

The fourth proportional to 10,305.20, 15,458.44 and 2,910.22 is: 4,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.20 : 15,458.44 = 2,910.22 : x
  2. Step 2: Convert to fraction form
    10,305.20/15,458.44 = 2,910.22/x
  3. Step 3: Cross multiply
    10,305.20x = 15,458.44 × 2,910.22
  4. Step 4: Simplify right side
    10,305.20x = 44,987,446.71
  5. Step 5: Solve for x
    x = 44,987,446.71/10,305.20
  6. Step 6: Final answer
    x = 4,365.51

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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.