Home / 22,000.22-30,360.46-11,928.72

Finding the Fourth Proportional to 22,000.22, 30,360.46 and 11,928.72

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Solution

The fourth proportional to 22,000.22, 30,360.46 and 11,928.72 is: 16,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.22 : 30,360.46 = 11,928.72 : x
  2. Step 2: Convert to fraction form
    22,000.22/30,360.46 = 11,928.72/x
  3. Step 3: Cross multiply
    22,000.22x = 30,360.46 × 11,928.72
  4. Step 4: Simplify right side
    22,000.22x = 362,161,426.41
  5. Step 5: Solve for x
    x = 362,161,426.41/22,000.22
  6. Step 6: Final answer
    x = 16,461.72

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Similar ratio
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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.