Home / 14,179.92-21,273.12-7,612.56

Finding the Fourth Proportional to 14,179.92, 21,273.12 and 7,612.56

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Solution

The fourth proportional to 14,179.92, 21,273.12 and 7,612.56 is: 11,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.92 : 21,273.12 = 7,612.56 : x
  2. Step 2: Convert to fraction form
    14,179.92/21,273.12 = 7,612.56/x
  3. Step 3: Cross multiply
    14,179.92x = 21,273.12 × 7,612.56
  4. Step 4: Simplify right side
    14,179.92x = 161,942,902.39
  5. Step 5: Solve for x
    x = 161,942,902.39/14,179.92
  6. Step 6: Final answer
    x = 11,420.58

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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.