Home / 13,014.20-19,511.89-7,736.69

Finding the Fourth Proportional to 13,014.20, 19,511.89 and 7,736.69

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Solution

The fourth proportional to 13,014.20, 19,511.89 and 7,736.69 is: 11,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.20 : 19,511.89 = 7,736.69 : x
  2. Step 2: Convert to fraction form
    13,014.20/19,511.89 = 7,736.69/x
  3. Step 3: Cross multiply
    13,014.20x = 19,511.89 × 7,736.69
  4. Step 4: Simplify right side
    13,014.20x = 150,957,473.68
  5. Step 5: Solve for x
    x = 150,957,473.68/13,014.20
  6. Step 6: Final answer
    x = 11,599.44

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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.