Home / 9,479.39-14,213-3,936.56

Finding the Fourth Proportional to 9,479.39, 14,213 and 3,936.56

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Solution

The fourth proportional to 9,479.39, 14,213 and 3,936.56 is: 5,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.39 : 14,213 = 3,936.56 : x
  2. Step 2: Convert to fraction form
    9,479.39/14,213 = 3,936.56/x
  3. Step 3: Cross multiply
    9,479.39x = 14,213 × 3,936.56
  4. Step 4: Simplify right side
    9,479.39x = 55,950,327.28
  5. Step 5: Solve for x
    x = 55,950,327.28/9,479.39
  6. Step 6: Final answer
    x = 5,902.31

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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.