Home / 10,947.24-15,091.38-7,797.96

Finding the Fourth Proportional to 10,947.24, 15,091.38 and 7,797.96

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Solution

The fourth proportional to 10,947.24, 15,091.38 and 7,797.96 is: 10,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.24 : 15,091.38 = 7,797.96 : x
  2. Step 2: Convert to fraction form
    10,947.24/15,091.38 = 7,797.96/x
  3. Step 3: Cross multiply
    10,947.24x = 15,091.38 × 7,797.96
  4. Step 4: Simplify right side
    10,947.24x = 117,681,977.58
  5. Step 5: Solve for x
    x = 117,681,977.58/10,947.24
  6. Step 6: Final answer
    x = 10,749.92

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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.