Home / 19,661.30-29,496.61-8,569.97

Finding the Fourth Proportional to 19,661.30, 29,496.61 and 8,569.97

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Solution

The fourth proportional to 19,661.30, 29,496.61 and 8,569.97 is: 12,856.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.30 : 29,496.61 = 8,569.97 : x
  2. Step 2: Convert to fraction form
    19,661.30/29,496.61 = 8,569.97/x
  3. Step 3: Cross multiply
    19,661.30x = 29,496.61 × 8,569.97
  4. Step 4: Simplify right side
    19,661.30x = 252,785,147.26
  5. Step 5: Solve for x
    x = 252,785,147.26/19,661.30
  6. Step 6: Final answer
    x = 12,856.99

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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.