Home / 10,296.91-15,440.50-4,748.61

Finding the Fourth Proportional to 10,296.91, 15,440.50 and 4,748.61

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Solution

The fourth proportional to 10,296.91, 15,440.50 and 4,748.61 is: 7,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.91 : 15,440.50 = 4,748.61 : x
  2. Step 2: Convert to fraction form
    10,296.91/15,440.50 = 4,748.61/x
  3. Step 3: Cross multiply
    10,296.91x = 15,440.50 × 4,748.61
  4. Step 4: Simplify right side
    10,296.91x = 73,320,912.71
  5. Step 5: Solve for x
    x = 73,320,912.71/10,296.91
  6. Step 6: Final answer
    x = 7,120.67

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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.