Home / 15,416.46-23,119.22-5,553.09

Finding the Fourth Proportional to 15,416.46, 23,119.22 and 5,553.09

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Solution

The fourth proportional to 15,416.46, 23,119.22 and 5,553.09 is: 8,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.46 : 23,119.22 = 5,553.09 : x
  2. Step 2: Convert to fraction form
    15,416.46/23,119.22 = 5,553.09/x
  3. Step 3: Cross multiply
    15,416.46x = 23,119.22 × 5,553.09
  4. Step 4: Simplify right side
    15,416.46x = 128,383,123.27
  5. Step 5: Solve for x
    x = 128,383,123.27/15,416.46
  6. Step 6: Final answer
    x = 8,327.67

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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.