Home / 11,022.90-15,211.62-5,987.13

Finding the Fourth Proportional to 11,022.90, 15,211.62 and 5,987.13

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Solution

The fourth proportional to 11,022.90, 15,211.62 and 5,987.13 is: 8,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.90 : 15,211.62 = 5,987.13 : x
  2. Step 2: Convert to fraction form
    11,022.90/15,211.62 = 5,987.13/x
  3. Step 3: Cross multiply
    11,022.90x = 15,211.62 × 5,987.13
  4. Step 4: Simplify right side
    11,022.90x = 91,073,946.45
  5. Step 5: Solve for x
    x = 91,073,946.45/11,022.90
  6. Step 6: Final answer
    x = 8,262.25

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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.