Home / 20,216.53-30,329.41-6,178.55

Finding the Fourth Proportional to 20,216.53, 30,329.41 and 6,178.55

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Solution

The fourth proportional to 20,216.53, 30,329.41 and 6,178.55 is: 9,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.53 : 30,329.41 = 6,178.55 : x
  2. Step 2: Convert to fraction form
    20,216.53/30,329.41 = 6,178.55/x
  3. Step 3: Cross multiply
    20,216.53x = 30,329.41 × 6,178.55
  4. Step 4: Simplify right side
    20,216.53x = 187,391,836.53
  5. Step 5: Solve for x
    x = 187,391,836.53/20,216.53
  6. Step 6: Final answer
    x = 9,269.24

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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.