Home / 19,660.30-29,472.75-7,171.62

Finding the Fourth Proportional to 19,660.30, 29,472.75 and 7,171.62

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Solution

The fourth proportional to 19,660.30, 29,472.75 and 7,171.62 is: 10,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.30 : 29,472.75 = 7,171.62 : x
  2. Step 2: Convert to fraction form
    19,660.30/29,472.75 = 7,171.62/x
  3. Step 3: Cross multiply
    19,660.30x = 29,472.75 × 7,171.62
  4. Step 4: Simplify right side
    19,660.30x = 211,367,363.36
  5. Step 5: Solve for x
    x = 211,367,363.36/19,660.30
  6. Step 6: Final answer
    x = 10,750.97

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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.