Home / 13,965.21-19,272.09-7,996.76

Finding the Fourth Proportional to 13,965.21, 19,272.09 and 7,996.76

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Solution

The fourth proportional to 13,965.21, 19,272.09 and 7,996.76 is: 11,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.21 : 19,272.09 = 7,996.76 : x
  2. Step 2: Convert to fraction form
    13,965.21/19,272.09 = 7,996.76/x
  3. Step 3: Cross multiply
    13,965.21x = 19,272.09 × 7,996.76
  4. Step 4: Simplify right side
    13,965.21x = 154,114,284.33
  5. Step 5: Solve for x
    x = 154,114,284.33/13,965.21
  6. Step 6: Final answer
    x = 11,035.59

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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.