Home / 11,274.20-15,558.41-6,238.63

Finding the Fourth Proportional to 11,274.20, 15,558.41 and 6,238.63

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Solution

The fourth proportional to 11,274.20, 15,558.41 and 6,238.63 is: 8,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.20 : 15,558.41 = 6,238.63 : x
  2. Step 2: Convert to fraction form
    11,274.20/15,558.41 = 6,238.63/x
  3. Step 3: Cross multiply
    11,274.20x = 15,558.41 × 6,238.63
  4. Step 4: Simplify right side
    11,274.20x = 97,063,198.42
  5. Step 5: Solve for x
    x = 97,063,198.42/11,274.20
  6. Step 6: Final answer
    x = 8,609.32

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Half scale
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Double scale
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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.