Home / 22,069.14-30,456.45-12,999.57

Finding the Fourth Proportional to 22,069.14, 30,456.45 and 12,999.57

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Solution

The fourth proportional to 22,069.14, 30,456.45 and 12,999.57 is: 17,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.14 : 30,456.45 = 12,999.57 : x
  2. Step 2: Convert to fraction form
    22,069.14/30,456.45 = 12,999.57/x
  3. Step 3: Cross multiply
    22,069.14x = 30,456.45 × 12,999.57
  4. Step 4: Simplify right side
    22,069.14x = 395,920,753.73
  5. Step 5: Solve for x
    x = 395,920,753.73/22,069.14
  6. Step 6: Final answer
    x = 17,940.02

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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.