Home / 12,744.87-19,117.31-4,845.53

Finding the Fourth Proportional to 12,744.87, 19,117.31 and 4,845.53

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Solution

The fourth proportional to 12,744.87, 19,117.31 and 4,845.53 is: 7,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.87 : 19,117.31 = 4,845.53 : x
  2. Step 2: Convert to fraction form
    12,744.87/19,117.31 = 4,845.53/x
  3. Step 3: Cross multiply
    12,744.87x = 19,117.31 × 4,845.53
  4. Step 4: Simplify right side
    12,744.87x = 92,633,499.12
  5. Step 5: Solve for x
    x = 92,633,499.12/12,744.87
  6. Step 6: Final answer
    x = 7,268.30

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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.