Home / 9,709.92-13,396.56-5,732.36

Finding the Fourth Proportional to 9,709.92, 13,396.56 and 5,732.36

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Solution

The fourth proportional to 9,709.92, 13,396.56 and 5,732.36 is: 7,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.92 : 13,396.56 = 5,732.36 : x
  2. Step 2: Convert to fraction form
    9,709.92/13,396.56 = 5,732.36/x
  3. Step 3: Cross multiply
    9,709.92x = 13,396.56 × 5,732.36
  4. Step 4: Simplify right side
    9,709.92x = 76,793,904.68
  5. Step 5: Solve for x
    x = 76,793,904.68/9,709.92
  6. Step 6: Final answer
    x = 7,908.81

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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.