Home / 10,287.94-15,428.80-3,267.67

Finding the Fourth Proportional to 10,287.94, 15,428.80 and 3,267.67

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Solution

The fourth proportional to 10,287.94, 15,428.80 and 3,267.67 is: 4,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.94 : 15,428.80 = 3,267.67 : x
  2. Step 2: Convert to fraction form
    10,287.94/15,428.80 = 3,267.67/x
  3. Step 3: Cross multiply
    10,287.94x = 15,428.80 × 3,267.67
  4. Step 4: Simplify right side
    10,287.94x = 50,416,226.90
  5. Step 5: Solve for x
    x = 50,416,226.90/10,287.94
  6. Step 6: Final answer
    x = 4,900.52

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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.