Home / 13,941.96-20,812.66-11,946.09

Finding the Fourth Proportional to 13,941.96, 20,812.66 and 11,946.09

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Solution

The fourth proportional to 13,941.96, 20,812.66 and 11,946.09 is: 17,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.96 : 20,812.66 = 11,946.09 : x
  2. Step 2: Convert to fraction form
    13,941.96/20,812.66 = 11,946.09/x
  3. Step 3: Cross multiply
    13,941.96x = 20,812.66 × 11,946.09
  4. Step 4: Simplify right side
    13,941.96x = 248,629,957.68
  5. Step 5: Solve for x
    x = 248,629,957.68/13,941.96
  6. Step 6: Final answer
    x = 17,833.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.