Home / 14,090.14-19,449.89-8,126.92

Finding the Fourth Proportional to 14,090.14, 19,449.89 and 8,126.92

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Solution

The fourth proportional to 14,090.14, 19,449.89 and 8,126.92 is: 11,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.14 : 19,449.89 = 8,126.92 : x
  2. Step 2: Convert to fraction form
    14,090.14/19,449.89 = 8,126.92/x
  3. Step 3: Cross multiply
    14,090.14x = 19,449.89 × 8,126.92
  4. Step 4: Simplify right side
    14,090.14x = 158,067,700.04
  5. Step 5: Solve for x
    x = 158,067,700.04/14,090.14
  6. Step 6: Final answer
    x = 11,218.32

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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.