Home / 22,122.10-30,520.96-14,169.12

Finding the Fourth Proportional to 22,122.10, 30,520.96 and 14,169.12

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Solution

The fourth proportional to 22,122.10, 30,520.96 and 14,169.12 is: 19,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.10 : 30,520.96 = 14,169.12 : x
  2. Step 2: Convert to fraction form
    22,122.10/30,520.96 = 14,169.12/x
  3. Step 3: Cross multiply
    22,122.10x = 30,520.96 × 14,169.12
  4. Step 4: Simplify right side
    22,122.10x = 432,455,144.76
  5. Step 5: Solve for x
    x = 432,455,144.76/22,122.10
  6. Step 6: Final answer
    x = 19,548.56

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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.