Home / 15,423.44-21,284.25-8,349.85

Finding the Fourth Proportional to 15,423.44, 21,284.25 and 8,349.85

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Solution

The fourth proportional to 15,423.44, 21,284.25 and 8,349.85 is: 11,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.44 : 21,284.25 = 8,349.85 : x
  2. Step 2: Convert to fraction form
    15,423.44/21,284.25 = 8,349.85/x
  3. Step 3: Cross multiply
    15,423.44x = 21,284.25 × 8,349.85
  4. Step 4: Simplify right side
    15,423.44x = 177,720,188.44
  5. Step 5: Solve for x
    x = 177,720,188.44/15,423.44
  6. Step 6: Final answer
    x = 11,522.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.