Home / 15,379.99-23,069.88-4,286.68

Finding the Fourth Proportional to 15,379.99, 23,069.88 and 4,286.68

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Solution

The fourth proportional to 15,379.99, 23,069.88 and 4,286.68 is: 6,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.99 : 23,069.88 = 4,286.68 : x
  2. Step 2: Convert to fraction form
    15,379.99/23,069.88 = 4,286.68/x
  3. Step 3: Cross multiply
    15,379.99x = 23,069.88 × 4,286.68
  4. Step 4: Simplify right side
    15,379.99x = 98,893,193.20
  5. Step 5: Solve for x
    x = 98,893,193.20/15,379.99
  6. Step 6: Final answer
    x = 6,429.99

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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.