Home / 20,049.39-30,068.58-11,153.76

Finding the Fourth Proportional to 20,049.39, 30,068.58 and 11,153.76

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Solution

The fourth proportional to 20,049.39, 30,068.58 and 11,153.76 is: 16,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.39 : 30,068.58 = 11,153.76 : x
  2. Step 2: Convert to fraction form
    20,049.39/30,068.58 = 11,153.76/x
  3. Step 3: Cross multiply
    20,049.39x = 30,068.58 × 11,153.76
  4. Step 4: Simplify right side
    20,049.39x = 335,377,724.86
  5. Step 5: Solve for x
    x = 335,377,724.86/20,049.39
  6. Step 6: Final answer
    x = 16,727.58

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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.