Home / 10,174.40-15,247-5,782.56

Finding the Fourth Proportional to 10,174.40, 15,247 and 5,782.56

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Solution

The fourth proportional to 10,174.40, 15,247 and 5,782.56 is: 8,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.40 : 15,247 = 5,782.56 : x
  2. Step 2: Convert to fraction form
    10,174.40/15,247 = 5,782.56/x
  3. Step 3: Cross multiply
    10,174.40x = 15,247 × 5,782.56
  4. Step 4: Simplify right side
    10,174.40x = 88,166,692.32
  5. Step 5: Solve for x
    x = 88,166,692.32/10,174.40
  6. Step 6: Final answer
    x = 8,665.54

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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.