Home / 12,933.88-19,395.96-4,166.44

Finding the Fourth Proportional to 12,933.88, 19,395.96 and 4,166.44

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Solution

The fourth proportional to 12,933.88, 19,395.96 and 4,166.44 is: 6,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.88 : 19,395.96 = 4,166.44 : x
  2. Step 2: Convert to fraction form
    12,933.88/19,395.96 = 4,166.44/x
  3. Step 3: Cross multiply
    12,933.88x = 19,395.96 × 4,166.44
  4. Step 4: Simplify right side
    12,933.88x = 80,812,039.47
  5. Step 5: Solve for x
    x = 80,812,039.47/12,933.88
  6. Step 6: Final answer
    x = 6,248.09

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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.