Home / 9,278.63-13,921.01-6,170.85

Finding the Fourth Proportional to 9,278.63, 13,921.01 and 6,170.85

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Solution

The fourth proportional to 9,278.63, 13,921.01 and 6,170.85 is: 9,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.63 : 13,921.01 = 6,170.85 : x
  2. Step 2: Convert to fraction form
    9,278.63/13,921.01 = 6,170.85/x
  3. Step 3: Cross multiply
    9,278.63x = 13,921.01 × 6,170.85
  4. Step 4: Simplify right side
    9,278.63x = 85,904,433.70
  5. Step 5: Solve for x
    x = 85,904,433.70/9,278.63
  6. Step 6: Final answer
    x = 9,258.32

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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.