Home / 10,137.43-15,206.94-3,565.09

Finding the Fourth Proportional to 10,137.43, 15,206.94 and 3,565.09

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Solution

The fourth proportional to 10,137.43, 15,206.94 and 3,565.09 is: 5,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.43 : 15,206.94 = 3,565.09 : x
  2. Step 2: Convert to fraction form
    10,137.43/15,206.94 = 3,565.09/x
  3. Step 3: Cross multiply
    10,137.43x = 15,206.94 × 3,565.09
  4. Step 4: Simplify right side
    10,137.43x = 54,214,109.72
  5. Step 5: Solve for x
    x = 54,214,109.72/10,137.43
  6. Step 6: Final answer
    x = 5,347.91

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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.