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Finding the Fourth Proportional to 21,636.87, 32,452.06 and 6,843.87

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Solution

The fourth proportional to 21,636.87, 32,452.06 and 6,843.87 is: 10,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.87 : 32,452.06 = 6,843.87 : x
  2. Step 2: Convert to fraction form
    21,636.87/32,452.06 = 6,843.87/x
  3. Step 3: Cross multiply
    21,636.87x = 32,452.06 × 6,843.87
  4. Step 4: Simplify right side
    21,636.87x = 222,097,598.76
  5. Step 5: Solve for x
    x = 222,097,598.76/21,636.87
  6. Step 6: Final answer
    x = 10,264.77

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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.