Home / 20,579.74-30,877.00-8,092.85

Finding the Fourth Proportional to 20,579.74, 30,877.00 and 8,092.85

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Solution

The fourth proportional to 20,579.74, 30,877.00 and 8,092.85 is: 12,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.74 : 30,877.00 = 8,092.85 : x
  2. Step 2: Convert to fraction form
    20,579.74/30,877.00 = 8,092.85/x
  3. Step 3: Cross multiply
    20,579.74x = 30,877.00 × 8,092.85
  4. Step 4: Simplify right side
    20,579.74x = 249,882,754.83
  5. Step 5: Solve for x
    x = 249,882,754.83/20,579.74
  6. Step 6: Final answer
    x = 12,142.17

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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.