Home / 22,070.22-30,456.54-11,998.91

Finding the Fourth Proportional to 22,070.22, 30,456.54 and 11,998.91

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Solution

The fourth proportional to 22,070.22, 30,456.54 and 11,998.91 is: 16,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.22 : 30,456.54 = 11,998.91 : x
  2. Step 2: Convert to fraction form
    22,070.22/30,456.54 = 11,998.91/x
  3. Step 3: Cross multiply
    22,070.22x = 30,456.54 × 11,998.91
  4. Step 4: Simplify right side
    22,070.22x = 365,445,282.37
  5. Step 5: Solve for x
    x = 365,445,282.37/22,070.22
  6. Step 6: Final answer
    x = 16,558.30

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Double scale
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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.