Home / 15,352.03-21,185.96-8,637.33

Finding the Fourth Proportional to 15,352.03, 21,185.96 and 8,637.33

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Solution

The fourth proportional to 15,352.03, 21,185.96 and 8,637.33 is: 11,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.03 : 21,185.96 = 8,637.33 : x
  2. Step 2: Convert to fraction form
    15,352.03/21,185.96 = 8,637.33/x
  3. Step 3: Cross multiply
    15,352.03x = 21,185.96 × 8,637.33
  4. Step 4: Simplify right side
    15,352.03x = 182,990,164.15
  5. Step 5: Solve for x
    x = 182,990,164.15/15,352.03
  6. Step 6: Final answer
    x = 11,919.61

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1.5x scale

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.