Home / 11,937.57-17,908.21-3,615.60

Finding the Fourth Proportional to 11,937.57, 17,908.21 and 3,615.60

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Solution

The fourth proportional to 11,937.57, 17,908.21 and 3,615.60 is: 5,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.57 : 17,908.21 = 3,615.60 : x
  2. Step 2: Convert to fraction form
    11,937.57/17,908.21 = 3,615.60/x
  3. Step 3: Cross multiply
    11,937.57x = 17,908.21 × 3,615.60
  4. Step 4: Simplify right side
    11,937.57x = 64,749,005.76
  5. Step 5: Solve for x
    x = 64,749,005.76/11,937.57
  6. Step 6: Final answer
    x = 5,423.97

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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.