Home / 12,736.84-19,099.11-5,339.31

Finding the Fourth Proportional to 12,736.84, 19,099.11 and 5,339.31

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Solution

The fourth proportional to 12,736.84, 19,099.11 and 5,339.31 is: 8,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.84 : 19,099.11 = 5,339.31 : x
  2. Step 2: Convert to fraction form
    12,736.84/19,099.11 = 5,339.31/x
  3. Step 3: Cross multiply
    12,736.84x = 19,099.11 × 5,339.31
  4. Step 4: Simplify right side
    12,736.84x = 101,976,069.01
  5. Step 5: Solve for x
    x = 101,976,069.01/12,736.84
  6. Step 6: Final answer
    x = 8,006.39

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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.