Home / 8,235.24-12,352.71-1,995.21

Finding the Fourth Proportional to 8,235.24, 12,352.71 and 1,995.21

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Solution

The fourth proportional to 8,235.24, 12,352.71 and 1,995.21 is: 2,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.24 : 12,352.71 = 1,995.21 : x
  2. Step 2: Convert to fraction form
    8,235.24/12,352.71 = 1,995.21/x
  3. Step 3: Cross multiply
    8,235.24x = 12,352.71 × 1,995.21
  4. Step 4: Simplify right side
    8,235.24x = 24,646,250.52
  5. Step 5: Solve for x
    x = 24,646,250.52/8,235.24
  6. Step 6: Final answer
    x = 2,992.78

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Double scale
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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.