Home / 11,548.39-15,936.78-6,243.22

Finding the Fourth Proportional to 11,548.39, 15,936.78 and 6,243.22

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Solution

The fourth proportional to 11,548.39, 15,936.78 and 6,243.22 is: 8,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.39 : 15,936.78 = 6,243.22 : x
  2. Step 2: Convert to fraction form
    11,548.39/15,936.78 = 6,243.22/x
  3. Step 3: Cross multiply
    11,548.39x = 15,936.78 × 6,243.22
  4. Step 4: Simplify right side
    11,548.39x = 99,496,823.63
  5. Step 5: Solve for x
    x = 99,496,823.63/11,548.39
  6. Step 6: Final answer
    x = 8,615.64

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Half scale
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Double scale
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Similar ratio
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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.