Home / 14,691.36-20,274-7,976.94

Finding the Fourth Proportional to 14,691.36, 20,274 and 7,976.94

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Solution

The fourth proportional to 14,691.36, 20,274 and 7,976.94 is: 11,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.36 : 20,274 = 7,976.94 : x
  2. Step 2: Convert to fraction form
    14,691.36/20,274 = 7,976.94/x
  3. Step 3: Cross multiply
    14,691.36x = 20,274 × 7,976.94
  4. Step 4: Simplify right side
    14,691.36x = 161,724,481.56
  5. Step 5: Solve for x
    x = 161,724,481.56/14,691.36
  6. Step 6: Final answer
    x = 11,008.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.