Home / 22,293.09-30,764.28-12,221.94

Finding the Fourth Proportional to 22,293.09, 30,764.28 and 12,221.94

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Solution

The fourth proportional to 22,293.09, 30,764.28 and 12,221.94 is: 16,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.09 : 30,764.28 = 12,221.94 : x
  2. Step 2: Convert to fraction form
    22,293.09/30,764.28 = 12,221.94/x
  3. Step 3: Cross multiply
    22,293.09x = 30,764.28 × 12,221.94
  4. Step 4: Simplify right side
    22,293.09x = 375,999,184.30
  5. Step 5: Solve for x
    x = 375,999,184.30/22,293.09
  6. Step 6: Final answer
    x = 16,866.18

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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.