Home / 11,015.90-15,201.95-5,980.12

Finding the Fourth Proportional to 11,015.90, 15,201.95 and 5,980.12

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Solution

The fourth proportional to 11,015.90, 15,201.95 and 5,980.12 is: 8,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.90 : 15,201.95 = 5,980.12 : x
  2. Step 2: Convert to fraction form
    11,015.90/15,201.95 = 5,980.12/x
  3. Step 3: Cross multiply
    11,015.90x = 15,201.95 × 5,980.12
  4. Step 4: Simplify right side
    11,015.90x = 90,909,455.33
  5. Step 5: Solve for x
    x = 90,909,455.33/11,015.90
  6. Step 6: Final answer
    x = 8,252.57

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.