Home / 22,070.80-30,458.30-11,999.91

Finding the Fourth Proportional to 22,070.80, 30,458.30 and 11,999.91

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Solution

The fourth proportional to 22,070.80, 30,458.30 and 11,999.91 is: 16,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.80 : 30,458.30 = 11,999.91 : x
  2. Step 2: Convert to fraction form
    22,070.80/30,458.30 = 11,999.91/x
  3. Step 3: Cross multiply
    22,070.80x = 30,458.30 × 11,999.91
  4. Step 4: Simplify right side
    22,070.80x = 365,496,912.97
  5. Step 5: Solve for x
    x = 365,496,912.97/22,070.80
  6. Step 6: Final answer
    x = 16,560.21

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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.