Home / 18,637.07-27,912.51-11,225.25

Finding the Fourth Proportional to 18,637.07, 27,912.51 and 11,225.25

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Solution

The fourth proportional to 18,637.07, 27,912.51 and 11,225.25 is: 16,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.07 : 27,912.51 = 11,225.25 : x
  2. Step 2: Convert to fraction form
    18,637.07/27,912.51 = 11,225.25/x
  3. Step 3: Cross multiply
    18,637.07x = 27,912.51 × 11,225.25
  4. Step 4: Simplify right side
    18,637.07x = 313,324,902.88
  5. Step 5: Solve for x
    x = 313,324,902.88/18,637.07
  6. Step 6: Final answer
    x = 16,811.92

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1.5x scale

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.