Home / 15,224.30-21,008.62-8,850.42

Finding the Fourth Proportional to 15,224.30, 21,008.62 and 8,850.42

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Solution

The fourth proportional to 15,224.30, 21,008.62 and 8,850.42 is: 12,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.30 : 21,008.62 = 8,850.42 : x
  2. Step 2: Convert to fraction form
    15,224.30/21,008.62 = 8,850.42/x
  3. Step 3: Cross multiply
    15,224.30x = 21,008.62 × 8,850.42
  4. Step 4: Simplify right side
    15,224.30x = 185,935,110.62
  5. Step 5: Solve for x
    x = 185,935,110.62/15,224.30
  6. Step 6: Final answer
    x = 12,213.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.