Home / 21,921.26-32,867.45-7,874.24

Finding the Fourth Proportional to 21,921.26, 32,867.45 and 7,874.24

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Solution

The fourth proportional to 21,921.26, 32,867.45 and 7,874.24 is: 11,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.26 : 32,867.45 = 7,874.24 : x
  2. Step 2: Convert to fraction form
    21,921.26/32,867.45 = 7,874.24/x
  3. Step 3: Cross multiply
    21,921.26x = 32,867.45 × 7,874.24
  4. Step 4: Simplify right side
    21,921.26x = 258,806,150.12
  5. Step 5: Solve for x
    x = 258,806,150.12/21,921.26
  6. Step 6: Final answer
    x = 11,806.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.