Home / 22,717.21-34,066.08-7,921.75

Finding the Fourth Proportional to 22,717.21, 34,066.08 and 7,921.75

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Solution

The fourth proportional to 22,717.21, 34,066.08 and 7,921.75 is: 11,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.21 : 34,066.08 = 7,921.75 : x
  2. Step 2: Convert to fraction form
    22,717.21/34,066.08 = 7,921.75/x
  3. Step 3: Cross multiply
    22,717.21x = 34,066.08 × 7,921.75
  4. Step 4: Simplify right side
    22,717.21x = 269,862,969.24
  5. Step 5: Solve for x
    x = 269,862,969.24/22,717.21
  6. Step 6: Final answer
    x = 11,879.23

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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.