Home / 9,911.10-14,857.20-3,333.90

Finding the Fourth Proportional to 9,911.10, 14,857.20 and 3,333.90

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Solution

The fourth proportional to 9,911.10, 14,857.20 and 3,333.90 is: 4,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.10 : 14,857.20 = 3,333.90 : x
  2. Step 2: Convert to fraction form
    9,911.10/14,857.20 = 3,333.90/x
  3. Step 3: Cross multiply
    9,911.10x = 14,857.20 × 3,333.90
  4. Step 4: Simplify right side
    9,911.10x = 49,532,419.08
  5. Step 5: Solve for x
    x = 49,532,419.08/9,911.10
  6. Step 6: Final answer
    x = 4,997.67

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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.