Home / 21,546.32-32,320.44-6,756.72

Finding the Fourth Proportional to 21,546.32, 32,320.44 and 6,756.72

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Solution

The fourth proportional to 21,546.32, 32,320.44 and 6,756.72 is: 10,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.32 : 32,320.44 = 6,756.72 : x
  2. Step 2: Convert to fraction form
    21,546.32/32,320.44 = 6,756.72/x
  3. Step 3: Cross multiply
    21,546.32x = 32,320.44 × 6,756.72
  4. Step 4: Simplify right side
    21,546.32x = 218,380,163.36
  5. Step 5: Solve for x
    x = 218,380,163.36/21,546.32
  6. Step 6: Final answer
    x = 10,135.38

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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.