Home / 18,189.65-27,262.59-9,869.33

Finding the Fourth Proportional to 18,189.65, 27,262.59 and 9,869.33

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Solution

The fourth proportional to 18,189.65, 27,262.59 and 9,869.33 is: 14,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.65 : 27,262.59 = 9,869.33 : x
  2. Step 2: Convert to fraction form
    18,189.65/27,262.59 = 9,869.33/x
  3. Step 3: Cross multiply
    18,189.65x = 27,262.59 × 9,869.33
  4. Step 4: Simplify right side
    18,189.65x = 269,063,361.05
  5. Step 5: Solve for x
    x = 269,063,361.05/18,189.65
  6. Step 6: Final answer
    x = 14,792.12

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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.