Home / 20,226.75-30,343.52-9,133.20

Finding the Fourth Proportional to 20,226.75, 30,343.52 and 9,133.20

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Solution

The fourth proportional to 20,226.75, 30,343.52 and 9,133.20 is: 13,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.75 : 30,343.52 = 9,133.20 : x
  2. Step 2: Convert to fraction form
    20,226.75/30,343.52 = 9,133.20/x
  3. Step 3: Cross multiply
    20,226.75x = 30,343.52 × 9,133.20
  4. Step 4: Simplify right side
    20,226.75x = 277,133,436.86
  5. Step 5: Solve for x
    x = 277,133,436.86/20,226.75
  6. Step 6: Final answer
    x = 13,701.33

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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.