Home / 11,344.35-15,669.32-8,723.55

Finding the Fourth Proportional to 11,344.35, 15,669.32 and 8,723.55

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Solution

The fourth proportional to 11,344.35, 15,669.32 and 8,723.55 is: 12,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.35 : 15,669.32 = 8,723.55 : x
  2. Step 2: Convert to fraction form
    11,344.35/15,669.32 = 8,723.55/x
  3. Step 3: Cross multiply
    11,344.35x = 15,669.32 × 8,723.55
  4. Step 4: Simplify right side
    11,344.35x = 136,692,052.87
  5. Step 5: Solve for x
    x = 136,692,052.87/11,344.35
  6. Step 6: Final answer
    x = 12,049.35

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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.