Home / 12,709.29-17,538.78-6,966.75

Finding the Fourth Proportional to 12,709.29, 17,538.78 and 6,966.75

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Solution

The fourth proportional to 12,709.29, 17,538.78 and 6,966.75 is: 9,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.29 : 17,538.78 = 6,966.75 : x
  2. Step 2: Convert to fraction form
    12,709.29/17,538.78 = 6,966.75/x
  3. Step 3: Cross multiply
    12,709.29x = 17,538.78 × 6,966.75
  4. Step 4: Simplify right side
    12,709.29x = 122,188,295.57
  5. Step 5: Solve for x
    x = 122,188,295.57/12,709.29
  6. Step 6: Final answer
    x = 9,614.09

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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.