Home / 21,576.98-32,366.79-6,786.38

Finding the Fourth Proportional to 21,576.98, 32,366.79 and 6,786.38

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Solution

The fourth proportional to 21,576.98, 32,366.79 and 6,786.38 is: 10,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.98 : 32,366.79 = 6,786.38 : x
  2. Step 2: Convert to fraction form
    21,576.98/32,366.79 = 6,786.38/x
  3. Step 3: Cross multiply
    21,576.98x = 32,366.79 × 6,786.38
  4. Step 4: Simplify right side
    21,576.98x = 219,653,417.24
  5. Step 5: Solve for x
    x = 219,653,417.24/21,576.98
  6. Step 6: Final answer
    x = 10,179.99

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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.