Home / 18,968.28-26,174.75-11,011.09

Finding the Fourth Proportional to 18,968.28, 26,174.75 and 11,011.09

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Solution

The fourth proportional to 18,968.28, 26,174.75 and 11,011.09 is: 15,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.28 : 26,174.75 = 11,011.09 : x
  2. Step 2: Convert to fraction form
    18,968.28/26,174.75 = 11,011.09/x
  3. Step 3: Cross multiply
    18,968.28x = 26,174.75 × 11,011.09
  4. Step 4: Simplify right side
    18,968.28x = 288,212,456.56
  5. Step 5: Solve for x
    x = 288,212,456.56/18,968.28
  6. Step 6: Final answer
    x = 15,194.45

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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.