Home / 9,238.76-13,856.62-3,393.96

Finding the Fourth Proportional to 9,238.76, 13,856.62 and 3,393.96

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Solution

The fourth proportional to 9,238.76, 13,856.62 and 3,393.96 is: 5,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.76 : 13,856.62 = 3,393.96 : x
  2. Step 2: Convert to fraction form
    9,238.76/13,856.62 = 3,393.96/x
  3. Step 3: Cross multiply
    9,238.76x = 13,856.62 × 3,393.96
  4. Step 4: Simplify right side
    9,238.76x = 47,028,814.02
  5. Step 5: Solve for x
    x = 47,028,814.02/9,238.76
  6. Step 6: Final answer
    x = 5,090.38

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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.