Home / 15,976.32-22,037.84-9,997.56

Finding the Fourth Proportional to 15,976.32, 22,037.84 and 9,997.56

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Solution

The fourth proportional to 15,976.32, 22,037.84 and 9,997.56 is: 13,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.32 : 22,037.84 = 9,997.56 : x
  2. Step 2: Convert to fraction form
    15,976.32/22,037.84 = 9,997.56/x
  3. Step 3: Cross multiply
    15,976.32x = 22,037.84 × 9,997.56
  4. Step 4: Simplify right side
    15,976.32x = 220,324,627.67
  5. Step 5: Solve for x
    x = 220,324,627.67/15,976.32
  6. Step 6: Final answer
    x = 13,790.70

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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.