Home / 18,836.33-28,259.24-13,300.49

Finding the Fourth Proportional to 18,836.33, 28,259.24 and 13,300.49

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Solution

The fourth proportional to 18,836.33, 28,259.24 and 13,300.49 is: 19,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.33 : 28,259.24 = 13,300.49 : x
  2. Step 2: Convert to fraction form
    18,836.33/28,259.24 = 13,300.49/x
  3. Step 3: Cross multiply
    18,836.33x = 28,259.24 × 13,300.49
  4. Step 4: Simplify right side
    18,836.33x = 375,861,739.03
  5. Step 5: Solve for x
    x = 375,861,739.03/18,836.33
  6. Step 6: Final answer
    x = 19,954.09

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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.