Home / 11,022.92-15,211.76-5,987.20

Finding the Fourth Proportional to 11,022.92, 15,211.76 and 5,987.20

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Solution

The fourth proportional to 11,022.92, 15,211.76 and 5,987.20 is: 8,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.92 : 15,211.76 = 5,987.20 : x
  2. Step 2: Convert to fraction form
    11,022.92/15,211.76 = 5,987.20/x
  3. Step 3: Cross multiply
    11,022.92x = 15,211.76 × 5,987.20
  4. Step 4: Simplify right side
    11,022.92x = 91,075,849.47
  5. Step 5: Solve for x
    x = 91,075,849.47/11,022.92
  6. Step 6: Final answer
    x = 8,262.41

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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.