Home / 10,219.91-15,330.16-2,824.37

Finding the Fourth Proportional to 10,219.91, 15,330.16 and 2,824.37

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Solution

The fourth proportional to 10,219.91, 15,330.16 and 2,824.37 is: 4,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.91 : 15,330.16 = 2,824.37 : x
  2. Step 2: Convert to fraction form
    10,219.91/15,330.16 = 2,824.37/x
  3. Step 3: Cross multiply
    10,219.91x = 15,330.16 × 2,824.37
  4. Step 4: Simplify right side
    10,219.91x = 43,298,044.00
  5. Step 5: Solve for x
    x = 43,298,044.00/10,219.91
  6. Step 6: Final answer
    x = 4,236.64

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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.