Home / 13,310.82-19,968.04-4,543.38

Finding the Fourth Proportional to 13,310.82, 19,968.04 and 4,543.38

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Solution

The fourth proportional to 13,310.82, 19,968.04 and 4,543.38 is: 6,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.82 : 19,968.04 = 4,543.38 : x
  2. Step 2: Convert to fraction form
    13,310.82/19,968.04 = 4,543.38/x
  3. Step 3: Cross multiply
    13,310.82x = 19,968.04 × 4,543.38
  4. Step 4: Simplify right side
    13,310.82x = 90,722,393.58
  5. Step 5: Solve for x
    x = 90,722,393.58/13,310.82
  6. Step 6: Final answer
    x = 6,815.69

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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.