Home / 10,214.07-15,317.87-3,638.49

Finding the Fourth Proportional to 10,214.07, 15,317.87 and 3,638.49

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Solution

The fourth proportional to 10,214.07, 15,317.87 and 3,638.49 is: 5,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.07 : 15,317.87 = 3,638.49 : x
  2. Step 2: Convert to fraction form
    10,214.07/15,317.87 = 3,638.49/x
  3. Step 3: Cross multiply
    10,214.07x = 15,317.87 × 3,638.49
  4. Step 4: Simplify right side
    10,214.07x = 55,733,898.62
  5. Step 5: Solve for x
    x = 55,733,898.62/10,214.07
  6. Step 6: Final answer
    x = 5,456.58

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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.