Home / 20,363.13-30,519.18-11,002.77

Finding the Fourth Proportional to 20,363.13, 30,519.18 and 11,002.77

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Solution

The fourth proportional to 20,363.13, 30,519.18 and 11,002.77 is: 16,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.13 : 30,519.18 = 11,002.77 : x
  2. Step 2: Convert to fraction form
    20,363.13/30,519.18 = 11,002.77/x
  3. Step 3: Cross multiply
    20,363.13x = 30,519.18 × 11,002.77
  4. Step 4: Simplify right side
    20,363.13x = 335,795,518.13
  5. Step 5: Solve for x
    x = 335,795,518.13/20,363.13
  6. Step 6: Final answer
    x = 16,490.37

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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.