Home / 11,022.97-15,211.45-5,987.06

Finding the Fourth Proportional to 11,022.97, 15,211.45 and 5,987.06

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Solution

The fourth proportional to 11,022.97, 15,211.45 and 5,987.06 is: 8,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.97 : 15,211.45 = 5,987.06 : x
  2. Step 2: Convert to fraction form
    11,022.97/15,211.45 = 5,987.06/x
  3. Step 3: Cross multiply
    11,022.97x = 15,211.45 × 5,987.06
  4. Step 4: Simplify right side
    11,022.97x = 91,071,863.84
  5. Step 5: Solve for x
    x = 91,071,863.84/11,022.97
  6. Step 6: Final answer
    x = 8,262.01

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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.