Home / 11,946.41-17,921.89-3,941.66

Finding the Fourth Proportional to 11,946.41, 17,921.89 and 3,941.66

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Solution

The fourth proportional to 11,946.41, 17,921.89 and 3,941.66 is: 5,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.41 : 17,921.89 = 3,941.66 : x
  2. Step 2: Convert to fraction form
    11,946.41/17,921.89 = 3,941.66/x
  3. Step 3: Cross multiply
    11,946.41x = 17,921.89 × 3,941.66
  4. Step 4: Simplify right side
    11,946.41x = 70,642,031.89
  5. Step 5: Solve for x
    x = 70,642,031.89/11,946.41
  6. Step 6: Final answer
    x = 5,913.24

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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.