Home / 20,433.85-30,635.19-10,566.83

Finding the Fourth Proportional to 20,433.85, 30,635.19 and 10,566.83

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Solution

The fourth proportional to 20,433.85, 30,635.19 and 10,566.83 is: 15,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.85 : 30,635.19 = 10,566.83 : x
  2. Step 2: Convert to fraction form
    20,433.85/30,635.19 = 10,566.83/x
  3. Step 3: Cross multiply
    20,433.85x = 30,635.19 × 10,566.83
  4. Step 4: Simplify right side
    20,433.85x = 323,716,844.75
  5. Step 5: Solve for x
    x = 323,716,844.75/20,433.85
  6. Step 6: Final answer
    x = 15,842.19

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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.