Home / 20,654.76-30,943.26-10,273.80

Finding the Fourth Proportional to 20,654.76, 30,943.26 and 10,273.80

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Solution

The fourth proportional to 20,654.76, 30,943.26 and 10,273.80 is: 15,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.76 : 30,943.26 = 10,273.80 : x
  2. Step 2: Convert to fraction form
    20,654.76/30,943.26 = 10,273.80/x
  3. Step 3: Cross multiply
    20,654.76x = 30,943.26 × 10,273.80
  4. Step 4: Simplify right side
    20,654.76x = 317,904,864.59
  5. Step 5: Solve for x
    x = 317,904,864.59/20,654.76
  6. Step 6: Final answer
    x = 15,391.36

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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.