Home / 18,089.09-27,100.83-13,356.97

Finding the Fourth Proportional to 18,089.09, 27,100.83 and 13,356.97

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Solution

The fourth proportional to 18,089.09, 27,100.83 and 13,356.97 is: 20,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.09 : 27,100.83 = 13,356.97 : x
  2. Step 2: Convert to fraction form
    18,089.09/27,100.83 = 13,356.97/x
  3. Step 3: Cross multiply
    18,089.09x = 27,100.83 × 13,356.97
  4. Step 4: Simplify right side
    18,089.09x = 361,984,973.29
  5. Step 5: Solve for x
    x = 361,984,973.29/18,089.09
  6. Step 6: Final answer
    x = 20,011.23

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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.