Home / 22,243.07-30,695.15-12,171.36

Finding the Fourth Proportional to 22,243.07, 30,695.15 and 12,171.36

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Solution

The fourth proportional to 22,243.07, 30,695.15 and 12,171.36 is: 16,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.07 : 30,695.15 = 12,171.36 : x
  2. Step 2: Convert to fraction form
    22,243.07/30,695.15 = 12,171.36/x
  3. Step 3: Cross multiply
    22,243.07x = 30,695.15 × 12,171.36
  4. Step 4: Simplify right side
    22,243.07x = 373,601,660.05
  5. Step 5: Solve for x
    x = 373,601,660.05/22,243.07
  6. Step 6: Final answer
    x = 16,796.32

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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.