Home / 10,279.22-15,428.46-5,352.44

Finding the Fourth Proportional to 10,279.22, 15,428.46 and 5,352.44

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Solution

The fourth proportional to 10,279.22, 15,428.46 and 5,352.44 is: 8,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.22 : 15,428.46 = 5,352.44 : x
  2. Step 2: Convert to fraction form
    10,279.22/15,428.46 = 5,352.44/x
  3. Step 3: Cross multiply
    10,279.22x = 15,428.46 × 5,352.44
  4. Step 4: Simplify right side
    10,279.22x = 82,579,906.44
  5. Step 5: Solve for x
    x = 82,579,906.44/10,279.22
  6. Step 6: Final answer
    x = 8,033.67

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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.