Home / 10,379.47-15,570.17-4,137.97

Finding the Fourth Proportional to 10,379.47, 15,570.17 and 4,137.97

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Solution

The fourth proportional to 10,379.47, 15,570.17 and 4,137.97 is: 6,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.47 : 15,570.17 = 4,137.97 : x
  2. Step 2: Convert to fraction form
    10,379.47/15,570.17 = 4,137.97/x
  3. Step 3: Cross multiply
    10,379.47x = 15,570.17 × 4,137.97
  4. Step 4: Simplify right side
    10,379.47x = 64,428,896.35
  5. Step 5: Solve for x
    x = 64,428,896.35/10,379.47
  6. Step 6: Final answer
    x = 6,207.34

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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.