Home / 10,437.37-15,647.81-5,174.19

Finding the Fourth Proportional to 10,437.37, 15,647.81 and 5,174.19

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Solution

The fourth proportional to 10,437.37, 15,647.81 and 5,174.19 is: 7,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.37 : 15,647.81 = 5,174.19 : x
  2. Step 2: Convert to fraction form
    10,437.37/15,647.81 = 5,174.19/x
  3. Step 3: Cross multiply
    10,437.37x = 15,647.81 × 5,174.19
  4. Step 4: Simplify right side
    10,437.37x = 80,964,716.15
  5. Step 5: Solve for x
    x = 80,964,716.15/10,437.37
  6. Step 6: Final answer
    x = 7,757.20

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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.