Home / 13,115.64-19,675.40-4,348.62

Finding the Fourth Proportional to 13,115.64, 19,675.40 and 4,348.62

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Solution

The fourth proportional to 13,115.64, 19,675.40 and 4,348.62 is: 6,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.64 : 19,675.40 = 4,348.62 : x
  2. Step 2: Convert to fraction form
    13,115.64/19,675.40 = 4,348.62/x
  3. Step 3: Cross multiply
    13,115.64x = 19,675.40 × 4,348.62
  4. Step 4: Simplify right side
    13,115.64x = 85,560,837.95
  5. Step 5: Solve for x
    x = 85,560,837.95/13,115.64
  6. Step 6: Final answer
    x = 6,523.57

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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.