Home / 12,968.42-17,881.71-11,274.98

Finding the Fourth Proportional to 12,968.42, 17,881.71 and 11,274.98

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Solution

The fourth proportional to 12,968.42, 17,881.71 and 11,274.98 is: 15,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.42 : 17,881.71 = 11,274.98 : x
  2. Step 2: Convert to fraction form
    12,968.42/17,881.71 = 11,274.98/x
  3. Step 3: Cross multiply
    12,968.42x = 17,881.71 × 11,274.98
  4. Step 4: Simplify right side
    12,968.42x = 201,615,922.62
  5. Step 5: Solve for x
    x = 201,615,922.62/12,968.42
  6. Step 6: Final answer
    x = 15,546.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.