Home / 15,379.93-23,069.90-4,286.65

Finding the Fourth Proportional to 15,379.93, 23,069.90 and 4,286.65

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Solution

The fourth proportional to 15,379.93, 23,069.90 and 4,286.65 is: 6,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.93 : 23,069.90 = 4,286.65 : x
  2. Step 2: Convert to fraction form
    15,379.93/23,069.90 = 4,286.65/x
  3. Step 3: Cross multiply
    15,379.93x = 23,069.90 × 4,286.65
  4. Step 4: Simplify right side
    15,379.93x = 98,892,565.40
  5. Step 5: Solve for x
    x = 98,892,565.40/15,379.93
  6. Step 6: Final answer
    x = 6,429.98

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Similar ratio
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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.