Home / 13,241.46-18,272.72-7,936.76

Finding the Fourth Proportional to 13,241.46, 18,272.72 and 7,936.76

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Solution

The fourth proportional to 13,241.46, 18,272.72 and 7,936.76 is: 10,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.46 : 18,272.72 = 7,936.76 : x
  2. Step 2: Convert to fraction form
    13,241.46/18,272.72 = 7,936.76/x
  3. Step 3: Cross multiply
    13,241.46x = 18,272.72 × 7,936.76
  4. Step 4: Simplify right side
    13,241.46x = 145,026,193.19
  5. Step 5: Solve for x
    x = 145,026,193.19/13,241.46
  6. Step 6: Final answer
    x = 10,952.43

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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.