Home / 10,505.08-15,748.08-5,241.70

Finding the Fourth Proportional to 10,505.08, 15,748.08 and 5,241.70

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Solution

The fourth proportional to 10,505.08, 15,748.08 and 5,241.70 is: 7,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.08 : 15,748.08 = 5,241.70 : x
  2. Step 2: Convert to fraction form
    10,505.08/15,748.08 = 5,241.70/x
  3. Step 3: Cross multiply
    10,505.08x = 15,748.08 × 5,241.70
  4. Step 4: Simplify right side
    10,505.08x = 82,546,710.94
  5. Step 5: Solve for x
    x = 82,546,710.94/10,505.08
  6. Step 6: Final answer
    x = 7,857.79

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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.