Home / 10,430.26-15,613.94-6,725.11

Finding the Fourth Proportional to 10,430.26, 15,613.94 and 6,725.11

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Solution

The fourth proportional to 10,430.26, 15,613.94 and 6,725.11 is: 10,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.26 : 15,613.94 = 6,725.11 : x
  2. Step 2: Convert to fraction form
    10,430.26/15,613.94 = 6,725.11/x
  3. Step 3: Cross multiply
    10,430.26x = 15,613.94 × 6,725.11
  4. Step 4: Simplify right side
    10,430.26x = 105,005,464.03
  5. Step 5: Solve for x
    x = 105,005,464.03/10,430.26
  6. Step 6: Final answer
    x = 10,067.39

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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.