Home / 11,458.32-17,190.18-3,560.43

Finding the Fourth Proportional to 11,458.32, 17,190.18 and 3,560.43

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Solution

The fourth proportional to 11,458.32, 17,190.18 and 3,560.43 is: 5,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.32 : 17,190.18 = 3,560.43 : x
  2. Step 2: Convert to fraction form
    11,458.32/17,190.18 = 3,560.43/x
  3. Step 3: Cross multiply
    11,458.32x = 17,190.18 × 3,560.43
  4. Step 4: Simplify right side
    11,458.32x = 61,204,432.58
  5. Step 5: Solve for x
    x = 61,204,432.58/11,458.32
  6. Step 6: Final answer
    x = 5,341.48

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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.