Home / 19,734.20-27,228.72-11,774.88

Finding the Fourth Proportional to 19,734.20, 27,228.72 and 11,774.88

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Solution

The fourth proportional to 19,734.20, 27,228.72 and 11,774.88 is: 16,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.20 : 27,228.72 = 11,774.88 : x
  2. Step 2: Convert to fraction form
    19,734.20/27,228.72 = 11,774.88/x
  3. Step 3: Cross multiply
    19,734.20x = 27,228.72 × 11,774.88
  4. Step 4: Simplify right side
    19,734.20x = 320,614,910.55
  5. Step 5: Solve for x
    x = 320,614,910.55/19,734.20
  6. Step 6: Final answer
    x = 16,246.66

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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.