Home / 21,388.01-32,084.79-8,244.14

Finding the Fourth Proportional to 21,388.01, 32,084.79 and 8,244.14

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Solution

The fourth proportional to 21,388.01, 32,084.79 and 8,244.14 is: 12,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388.01 : 32,084.79 = 8,244.14 : x
  2. Step 2: Convert to fraction form
    21,388.01/32,084.79 = 8,244.14/x
  3. Step 3: Cross multiply
    21,388.01x = 32,084.79 × 8,244.14
  4. Step 4: Simplify right side
    21,388.01x = 264,511,459.41
  5. Step 5: Solve for x
    x = 264,511,459.41/21,388.01
  6. Step 6: Final answer
    x = 12,367.28

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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.