Home / 20,380.23-30,579.13-11,026.83

Finding the Fourth Proportional to 20,380.23, 30,579.13 and 11,026.83

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Solution

The fourth proportional to 20,380.23, 30,579.13 and 11,026.83 is: 16,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380.23 : 30,579.13 = 11,026.83 : x
  2. Step 2: Convert to fraction form
    20,380.23/30,579.13 = 11,026.83/x
  3. Step 3: Cross multiply
    20,380.23x = 30,579.13 × 11,026.83
  4. Step 4: Simplify right side
    20,380.23x = 337,190,868.06
  5. Step 5: Solve for x
    x = 337,190,868.06/20,380.23
  6. Step 6: Final answer
    x = 16,545.00

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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.