Home / 13,276.99-19,936.64-7,734.39

Finding the Fourth Proportional to 13,276.99, 19,936.64 and 7,734.39

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Solution

The fourth proportional to 13,276.99, 19,936.64 and 7,734.39 is: 11,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.99 : 19,936.64 = 7,734.39 : x
  2. Step 2: Convert to fraction form
    13,276.99/19,936.64 = 7,734.39/x
  3. Step 3: Cross multiply
    13,276.99x = 19,936.64 × 7,734.39
  4. Step 4: Simplify right side
    13,276.99x = 154,197,749.05
  5. Step 5: Solve for x
    x = 154,197,749.05/13,276.99
  6. Step 6: Final answer
    x = 11,613.91

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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.