Home / 9,538.70-13,162.97-5,289.75

Finding the Fourth Proportional to 9,538.70, 13,162.97 and 5,289.75

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Solution

The fourth proportional to 9,538.70, 13,162.97 and 5,289.75 is: 7,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.70 : 13,162.97 = 5,289.75 : x
  2. Step 2: Convert to fraction form
    9,538.70/13,162.97 = 5,289.75/x
  3. Step 3: Cross multiply
    9,538.70x = 13,162.97 × 5,289.75
  4. Step 4: Simplify right side
    9,538.70x = 69,628,794.11
  5. Step 5: Solve for x
    x = 69,628,794.11/9,538.70
  6. Step 6: Final answer
    x = 7,299.61

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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.