Home / 11,419.57-15,761.64-7,433.74

Finding the Fourth Proportional to 11,419.57, 15,761.64 and 7,433.74

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Solution

The fourth proportional to 11,419.57, 15,761.64 and 7,433.74 is: 10,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.57 : 15,761.64 = 7,433.74 : x
  2. Step 2: Convert to fraction form
    11,419.57/15,761.64 = 7,433.74/x
  3. Step 3: Cross multiply
    11,419.57x = 15,761.64 × 7,433.74
  4. Step 4: Simplify right side
    11,419.57x = 117,167,933.73
  5. Step 5: Solve for x
    x = 117,167,933.73/11,419.57
  6. Step 6: Final answer
    x = 10,260.28

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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.