Home / 12,933.87-19,399.88-4,612.95

Finding the Fourth Proportional to 12,933.87, 19,399.88 and 4,612.95

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Solution

The fourth proportional to 12,933.87, 19,399.88 and 4,612.95 is: 6,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.87 : 19,399.88 = 4,612.95 : x
  2. Step 2: Convert to fraction form
    12,933.87/19,399.88 = 4,612.95/x
  3. Step 3: Cross multiply
    12,933.87x = 19,399.88 × 4,612.95
  4. Step 4: Simplify right side
    12,933.87x = 89,490,653.38
  5. Step 5: Solve for x
    x = 89,490,653.38/12,933.87
  6. Step 6: Final answer
    x = 6,919.09

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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.