Home / 10,372.08-15,537.40-7,077

Finding the Fourth Proportional to 10,372.08, 15,537.40 and 7,077

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Solution

The fourth proportional to 10,372.08, 15,537.40 and 7,077 is: 10,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.08 : 15,537.40 = 7,077 : x
  2. Step 2: Convert to fraction form
    10,372.08/15,537.40 = 7,077/x
  3. Step 3: Cross multiply
    10,372.08x = 15,537.40 × 7,077
  4. Step 4: Simplify right side
    10,372.08x = 109,958,179.80
  5. Step 5: Solve for x
    x = 109,958,179.80/10,372.08
  6. Step 6: Final answer
    x = 10,601.36

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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.