Home / 29,286.21-43,947.37-11,513.75

Finding the Fourth Proportional to 29,286.21, 43,947.37 and 11,513.75

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Solution

The fourth proportional to 29,286.21, 43,947.37 and 11,513.75 is: 17,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.21 : 43,947.37 = 11,513.75 : x
  2. Step 2: Convert to fraction form
    29,286.21/43,947.37 = 11,513.75/x
  3. Step 3: Cross multiply
    29,286.21x = 43,947.37 × 11,513.75
  4. Step 4: Simplify right side
    29,286.21x = 505,999,031.34
  5. Step 5: Solve for x
    x = 505,999,031.34/29,286.21
  6. Step 6: Final answer
    x = 17,277.72

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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.