Home / 22,293.40-30,764.96-12,221.80

Finding the Fourth Proportional to 22,293.40, 30,764.96 and 12,221.80

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Solution

The fourth proportional to 22,293.40, 30,764.96 and 12,221.80 is: 16,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.40 : 30,764.96 = 12,221.80 : x
  2. Step 2: Convert to fraction form
    22,293.40/30,764.96 = 12,221.80/x
  3. Step 3: Cross multiply
    22,293.40x = 30,764.96 × 12,221.80
  4. Step 4: Simplify right side
    22,293.40x = 376,003,188.13
  5. Step 5: Solve for x
    x = 376,003,188.13/22,293.40
  6. Step 6: Final answer
    x = 16,866.12

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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.