Home / 9,338.16-13,999.68-3,493.92

Finding the Fourth Proportional to 9,338.16, 13,999.68 and 3,493.92

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Solution

The fourth proportional to 9,338.16, 13,999.68 and 3,493.92 is: 5,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.16 : 13,999.68 = 3,493.92 : x
  2. Step 2: Convert to fraction form
    9,338.16/13,999.68 = 3,493.92/x
  3. Step 3: Cross multiply
    9,338.16x = 13,999.68 × 3,493.92
  4. Step 4: Simplify right side
    9,338.16x = 48,913,761.95
  5. Step 5: Solve for x
    x = 48,913,761.95/9,338.16
  6. Step 6: Final answer
    x = 5,238.05

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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.