Home / 9,126.15-13,680.72-4,199.73

Finding the Fourth Proportional to 9,126.15, 13,680.72 and 4,199.73

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Solution

The fourth proportional to 9,126.15, 13,680.72 and 4,199.73 is: 6,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.15 : 13,680.72 = 4,199.73 : x
  2. Step 2: Convert to fraction form
    9,126.15/13,680.72 = 4,199.73/x
  3. Step 3: Cross multiply
    9,126.15x = 13,680.72 × 4,199.73
  4. Step 4: Simplify right side
    9,126.15x = 57,455,330.21
  5. Step 5: Solve for x
    x = 57,455,330.21/9,126.15
  6. Step 6: Final answer
    x = 6,295.68

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1.5x scale

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.