Home / 11,015.97-15,202.08-5,980.20

Finding the Fourth Proportional to 11,015.97, 15,202.08 and 5,980.20

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Solution

The fourth proportional to 11,015.97, 15,202.08 and 5,980.20 is: 8,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.97 : 15,202.08 = 5,980.20 : x
  2. Step 2: Convert to fraction form
    11,015.97/15,202.08 = 5,980.20/x
  3. Step 3: Cross multiply
    11,015.97x = 15,202.08 × 5,980.20
  4. Step 4: Simplify right side
    11,015.97x = 90,911,478.82
  5. Step 5: Solve for x
    x = 90,911,478.82/11,015.97
  6. Step 6: Final answer
    x = 8,252.70

Related Problems

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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.