Home / 20,403.04-30,613.34-11,049.74

Finding the Fourth Proportional to 20,403.04, 30,613.34 and 11,049.74

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Solution

The fourth proportional to 20,403.04, 30,613.34 and 11,049.74 is: 16,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.04 : 30,613.34 = 11,049.74 : x
  2. Step 2: Convert to fraction form
    20,403.04/30,613.34 = 11,049.74/x
  3. Step 3: Cross multiply
    20,403.04x = 30,613.34 × 11,049.74
  4. Step 4: Simplify right side
    20,403.04x = 338,269,447.53
  5. Step 5: Solve for x
    x = 338,269,447.53/20,403.04
  6. Step 6: Final answer
    x = 16,579.37

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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.