Home / 9,112.96-13,670.46-2,873.85

Finding the Fourth Proportional to 9,112.96, 13,670.46 and 2,873.85

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Solution

The fourth proportional to 9,112.96, 13,670.46 and 2,873.85 is: 4,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.96 : 13,670.46 = 2,873.85 : x
  2. Step 2: Convert to fraction form
    9,112.96/13,670.46 = 2,873.85/x
  3. Step 3: Cross multiply
    9,112.96x = 13,670.46 × 2,873.85
  4. Step 4: Simplify right side
    9,112.96x = 39,286,911.51
  5. Step 5: Solve for x
    x = 39,286,911.51/9,112.96
  6. Step 6: Final answer
    x = 4,311.11

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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.