Home / 11,212.70-15,472.62-6,497.28

Finding the Fourth Proportional to 11,212.70, 15,472.62 and 6,497.28

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Solution

The fourth proportional to 11,212.70, 15,472.62 and 6,497.28 is: 8,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.70 : 15,472.62 = 6,497.28 : x
  2. Step 2: Convert to fraction form
    11,212.70/15,472.62 = 6,497.28/x
  3. Step 3: Cross multiply
    11,212.70x = 15,472.62 × 6,497.28
  4. Step 4: Simplify right side
    11,212.70x = 100,529,944.47
  5. Step 5: Solve for x
    x = 100,529,944.47/11,212.70
  6. Step 6: Final answer
    x = 8,965.73

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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.