Home / 21,576.74-32,366.52-6,786.23

Finding the Fourth Proportional to 21,576.74, 32,366.52 and 6,786.23

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Solution

The fourth proportional to 21,576.74, 32,366.52 and 6,786.23 is: 10,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.74 : 32,366.52 = 6,786.23 : x
  2. Step 2: Convert to fraction form
    21,576.74/32,366.52 = 6,786.23/x
  3. Step 3: Cross multiply
    21,576.74x = 32,366.52 × 6,786.23
  4. Step 4: Simplify right side
    21,576.74x = 219,646,487.19
  5. Step 5: Solve for x
    x = 219,646,487.19/21,576.74
  6. Step 6: Final answer
    x = 10,179.78

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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.