Home / 15,945.54-22,003.74-8,871.18

Finding the Fourth Proportional to 15,945.54, 22,003.74 and 8,871.18

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Solution

The fourth proportional to 15,945.54, 22,003.74 and 8,871.18 is: 12,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.54 : 22,003.74 = 8,871.18 : x
  2. Step 2: Convert to fraction form
    15,945.54/22,003.74 = 8,871.18/x
  3. Step 3: Cross multiply
    15,945.54x = 22,003.74 × 8,871.18
  4. Step 4: Simplify right side
    15,945.54x = 195,199,138.21
  5. Step 5: Solve for x
    x = 195,199,138.21/15,945.54
  6. Step 6: Final answer
    x = 12,241.61

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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.