Home / 11,330.40-17,003.70-4,761.30

Finding the Fourth Proportional to 11,330.40, 17,003.70 and 4,761.30

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Solution

The fourth proportional to 11,330.40, 17,003.70 and 4,761.30 is: 7,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.40 : 17,003.70 = 4,761.30 : x
  2. Step 2: Convert to fraction form
    11,330.40/17,003.70 = 4,761.30/x
  3. Step 3: Cross multiply
    11,330.40x = 17,003.70 × 4,761.30
  4. Step 4: Simplify right side
    11,330.40x = 80,959,716.81
  5. Step 5: Solve for x
    x = 80,959,716.81/11,330.40
  6. Step 6: Final answer
    x = 7,145.35

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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.