Home / 20,566.38-30,849.57-6,715.38

Finding the Fourth Proportional to 20,566.38, 30,849.57 and 6,715.38

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Solution

The fourth proportional to 20,566.38, 30,849.57 and 6,715.38 is: 10,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.38 : 30,849.57 = 6,715.38 : x
  2. Step 2: Convert to fraction form
    20,566.38/30,849.57 = 6,715.38/x
  3. Step 3: Cross multiply
    20,566.38x = 30,849.57 × 6,715.38
  4. Step 4: Simplify right side
    20,566.38x = 207,166,585.39
  5. Step 5: Solve for x
    x = 207,166,585.39/20,566.38
  6. Step 6: Final answer
    x = 10,073.07

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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.