Home / 10,645.26-14,690.48-6,169.87

Finding the Fourth Proportional to 10,645.26, 14,690.48 and 6,169.87

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Solution

The fourth proportional to 10,645.26, 14,690.48 and 6,169.87 is: 8,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.26 : 14,690.48 = 6,169.87 : x
  2. Step 2: Convert to fraction form
    10,645.26/14,690.48 = 6,169.87/x
  3. Step 3: Cross multiply
    10,645.26x = 14,690.48 × 6,169.87
  4. Step 4: Simplify right side
    10,645.26x = 90,638,351.84
  5. Step 5: Solve for x
    x = 90,638,351.84/10,645.26
  6. Step 6: Final answer
    x = 8,514.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.