Home / 22,092.12-30,486.74-12,020.22

Finding the Fourth Proportional to 22,092.12, 30,486.74 and 12,020.22

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Solution

The fourth proportional to 22,092.12, 30,486.74 and 12,020.22 is: 16,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.12 : 30,486.74 = 12,020.22 : x
  2. Step 2: Convert to fraction form
    22,092.12/30,486.74 = 12,020.22/x
  3. Step 3: Cross multiply
    22,092.12x = 30,486.74 × 12,020.22
  4. Step 4: Simplify right side
    22,092.12x = 366,457,261.78
  5. Step 5: Solve for x
    x = 366,457,261.78/22,092.12
  6. Step 6: Final answer
    x = 16,587.69

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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.