Home / 15,379.94-23,069.92-4,286.66

Finding the Fourth Proportional to 15,379.94, 23,069.92 and 4,286.66

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Solution

The fourth proportional to 15,379.94, 23,069.92 and 4,286.66 is: 6,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.94 : 23,069.92 = 4,286.66 : x
  2. Step 2: Convert to fraction form
    15,379.94/23,069.92 = 4,286.66/x
  3. Step 3: Cross multiply
    15,379.94x = 23,069.92 × 4,286.66
  4. Step 4: Simplify right side
    15,379.94x = 98,892,903.27
  5. Step 5: Solve for x
    x = 98,892,903.27/15,379.94
  6. Step 6: Final answer
    x = 6,429.99

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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.