Home / 11,120.84-16,681.25-5,274.26

Finding the Fourth Proportional to 11,120.84, 16,681.25 and 5,274.26

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Solution

The fourth proportional to 11,120.84, 16,681.25 and 5,274.26 is: 7,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.84 : 16,681.25 = 5,274.26 : x
  2. Step 2: Convert to fraction form
    11,120.84/16,681.25 = 5,274.26/x
  3. Step 3: Cross multiply
    11,120.84x = 16,681.25 × 5,274.26
  4. Step 4: Simplify right side
    11,120.84x = 87,981,249.63
  5. Step 5: Solve for x
    x = 87,981,249.63/11,120.84
  6. Step 6: Final answer
    x = 7,911.39

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.