Home / 18,088.09-27,099.33-13,355.97

Finding the Fourth Proportional to 18,088.09, 27,099.33 and 13,355.97

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Solution

The fourth proportional to 18,088.09, 27,099.33 and 13,355.97 is: 20,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.09 : 27,099.33 = 13,355.97 : x
  2. Step 2: Convert to fraction form
    18,088.09/27,099.33 = 13,355.97/x
  3. Step 3: Cross multiply
    18,088.09x = 27,099.33 × 13,355.97
  4. Step 4: Simplify right side
    18,088.09x = 361,937,922.46
  5. Step 5: Solve for x
    x = 361,937,922.46/18,088.09
  6. Step 6: Final answer
    x = 20,009.73

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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.