Home / 11,941.48-17,913.78-3,621.64

Finding the Fourth Proportional to 11,941.48, 17,913.78 and 3,621.64

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Solution

The fourth proportional to 11,941.48, 17,913.78 and 3,621.64 is: 5,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.48 : 17,913.78 = 3,621.64 : x
  2. Step 2: Convert to fraction form
    11,941.48/17,913.78 = 3,621.64/x
  3. Step 3: Cross multiply
    11,941.48x = 17,913.78 × 3,621.64
  4. Step 4: Simplify right side
    11,941.48x = 64,877,262.20
  5. Step 5: Solve for x
    x = 64,877,262.20/11,941.48
  6. Step 6: Final answer
    x = 5,432.93

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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.