Home / 13,788.41-20,676.12-9,633.11

Finding the Fourth Proportional to 13,788.41, 20,676.12 and 9,633.11

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Solution

The fourth proportional to 13,788.41, 20,676.12 and 9,633.11 is: 14,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.41 : 20,676.12 = 9,633.11 : x
  2. Step 2: Convert to fraction form
    13,788.41/20,676.12 = 9,633.11/x
  3. Step 3: Cross multiply
    13,788.41x = 20,676.12 × 9,633.11
  4. Step 4: Simplify right side
    13,788.41x = 199,175,234.95
  5. Step 5: Solve for x
    x = 199,175,234.95/13,788.41
  6. Step 6: Final answer
    x = 14,445.13

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1.5x scale

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.