Home / 20,222.45-30,332.20-6,894.35

Finding the Fourth Proportional to 20,222.45, 30,332.20 and 6,894.35

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Solution

The fourth proportional to 20,222.45, 30,332.20 and 6,894.35 is: 10,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.45 : 30,332.20 = 6,894.35 : x
  2. Step 2: Convert to fraction form
    20,222.45/30,332.20 = 6,894.35/x
  3. Step 3: Cross multiply
    20,222.45x = 30,332.20 × 6,894.35
  4. Step 4: Simplify right side
    20,222.45x = 209,120,616.94
  5. Step 5: Solve for x
    x = 209,120,616.94/20,222.45
  6. Step 6: Final answer
    x = 10,341.01

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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.