Home / 20,103.87-30,158.33-6,061.71

Finding the Fourth Proportional to 20,103.87, 30,158.33 and 6,061.71

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Solution

The fourth proportional to 20,103.87, 30,158.33 and 6,061.71 is: 9,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.87 : 30,158.33 = 6,061.71 : x
  2. Step 2: Convert to fraction form
    20,103.87/30,158.33 = 6,061.71/x
  3. Step 3: Cross multiply
    20,103.87x = 30,158.33 × 6,061.71
  4. Step 4: Simplify right side
    20,103.87x = 182,811,020.24
  5. Step 5: Solve for x
    x = 182,811,020.24/20,103.87
  6. Step 6: Final answer
    x = 9,093.32

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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.