Home / 12,224.91-18,346.16-5,209.88

Finding the Fourth Proportional to 12,224.91, 18,346.16 and 5,209.88

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Solution

The fourth proportional to 12,224.91, 18,346.16 and 5,209.88 is: 7,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.91 : 18,346.16 = 5,209.88 : x
  2. Step 2: Convert to fraction form
    12,224.91/18,346.16 = 5,209.88/x
  3. Step 3: Cross multiply
    12,224.91x = 18,346.16 × 5,209.88
  4. Step 4: Simplify right side
    12,224.91x = 95,581,174.28
  5. Step 5: Solve for x
    x = 95,581,174.28/12,224.91
  6. Step 6: Final answer
    x = 7,818.56

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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.