Home / 21,786.32-32,679.52-9,295.84

Finding the Fourth Proportional to 21,786.32, 32,679.52 and 9,295.84

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Solution

The fourth proportional to 21,786.32, 32,679.52 and 9,295.84 is: 13,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.32 : 32,679.52 = 9,295.84 : x
  2. Step 2: Convert to fraction form
    21,786.32/32,679.52 = 9,295.84/x
  3. Step 3: Cross multiply
    21,786.32x = 32,679.52 × 9,295.84
  4. Step 4: Simplify right side
    21,786.32x = 303,783,589.20
  5. Step 5: Solve for x
    x = 303,783,589.20/21,786.32
  6. Step 6: Final answer
    x = 13,943.78

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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.