Home / 20,154.69-30,222.72-10,793.07

Finding the Fourth Proportional to 20,154.69, 30,222.72 and 10,793.07

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Solution

The fourth proportional to 20,154.69, 30,222.72 and 10,793.07 is: 16,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.69 : 30,222.72 = 10,793.07 : x
  2. Step 2: Convert to fraction form
    20,154.69/30,222.72 = 10,793.07/x
  3. Step 3: Cross multiply
    20,154.69x = 30,222.72 × 10,793.07
  4. Step 4: Simplify right side
    20,154.69x = 326,195,932.55
  5. Step 5: Solve for x
    x = 326,195,932.55/20,154.69
  6. Step 6: Final answer
    x = 16,184.62

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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.