Home / 11,274.72-15,558.96-6,238.92

Finding the Fourth Proportional to 11,274.72, 15,558.96 and 6,238.92

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Solution

The fourth proportional to 11,274.72, 15,558.96 and 6,238.92 is: 8,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.72 : 15,558.96 = 6,238.92 : x
  2. Step 2: Convert to fraction form
    11,274.72/15,558.96 = 6,238.92/x
  3. Step 3: Cross multiply
    11,274.72x = 15,558.96 × 6,238.92
  4. Step 4: Simplify right side
    11,274.72x = 97,071,106.72
  5. Step 5: Solve for x
    x = 97,071,106.72/11,274.72
  6. Step 6: Final answer
    x = 8,609.62

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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.