Home / 21,516.90-32,274.78-6,732.78

Finding the Fourth Proportional to 21,516.90, 32,274.78 and 6,732.78

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Solution

The fourth proportional to 21,516.90, 32,274.78 and 6,732.78 is: 10,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.90 : 32,274.78 = 6,732.78 : x
  2. Step 2: Convert to fraction form
    21,516.90/32,274.78 = 6,732.78/x
  3. Step 3: Cross multiply
    21,516.90x = 32,274.78 × 6,732.78
  4. Step 4: Simplify right side
    21,516.90x = 217,298,993.29
  5. Step 5: Solve for x
    x = 217,298,993.29/21,516.90
  6. Step 6: Final answer
    x = 10,098.99

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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.