Home / 12,229.08-18,341.28-3,461.88

Finding the Fourth Proportional to 12,229.08, 18,341.28 and 3,461.88

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Solution

The fourth proportional to 12,229.08, 18,341.28 and 3,461.88 is: 5,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.08 : 18,341.28 = 3,461.88 : x
  2. Step 2: Convert to fraction form
    12,229.08/18,341.28 = 3,461.88/x
  3. Step 3: Cross multiply
    12,229.08x = 18,341.28 × 3,461.88
  4. Step 4: Simplify right side
    12,229.08x = 63,495,310.41
  5. Step 5: Solve for x
    x = 63,495,310.41/12,229.08
  6. Step 6: Final answer
    x = 5,192.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.