Home / 12,773.88-19,172.97-5,376.42

Finding the Fourth Proportional to 12,773.88, 19,172.97 and 5,376.42

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Solution

The fourth proportional to 12,773.88, 19,172.97 and 5,376.42 is: 8,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.88 : 19,172.97 = 5,376.42 : x
  2. Step 2: Convert to fraction form
    12,773.88/19,172.97 = 5,376.42/x
  3. Step 3: Cross multiply
    12,773.88x = 19,172.97 × 5,376.42
  4. Step 4: Simplify right side
    12,773.88x = 103,081,939.37
  5. Step 5: Solve for x
    x = 103,081,939.37/12,773.88
  6. Step 6: Final answer
    x = 8,069.74

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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.