Home / 10,166.70-15,244.03-3,144.64

Finding the Fourth Proportional to 10,166.70, 15,244.03 and 3,144.64

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Solution

The fourth proportional to 10,166.70, 15,244.03 and 3,144.64 is: 4,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.70 : 15,244.03 = 3,144.64 : x
  2. Step 2: Convert to fraction form
    10,166.70/15,244.03 = 3,144.64/x
  3. Step 3: Cross multiply
    10,166.70x = 15,244.03 × 3,144.64
  4. Step 4: Simplify right side
    10,166.70x = 47,936,986.50
  5. Step 5: Solve for x
    x = 47,936,986.50/10,166.70
  6. Step 6: Final answer
    x = 4,715.10

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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.