Home / 21,486.10-32,229.15-6,696.21

Finding the Fourth Proportional to 21,486.10, 32,229.15 and 6,696.21

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Solution

The fourth proportional to 21,486.10, 32,229.15 and 6,696.21 is: 10,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.10 : 32,229.15 = 6,696.21 : x
  2. Step 2: Convert to fraction form
    21,486.10/32,229.15 = 6,696.21/x
  3. Step 3: Cross multiply
    21,486.10x = 32,229.15 × 6,696.21
  4. Step 4: Simplify right side
    21,486.10x = 215,813,156.52
  5. Step 5: Solve for x
    x = 215,813,156.52/21,486.10
  6. Step 6: Final answer
    x = 10,044.32

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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.