Home / 17,287.86-25,955.67-11,938.49

Finding the Fourth Proportional to 17,287.86, 25,955.67 and 11,938.49

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Solution

The fourth proportional to 17,287.86, 25,955.67 and 11,938.49 is: 17,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.86 : 25,955.67 = 11,938.49 : x
  2. Step 2: Convert to fraction form
    17,287.86/25,955.67 = 11,938.49/x
  3. Step 3: Cross multiply
    17,287.86x = 25,955.67 × 11,938.49
  4. Step 4: Simplify right side
    17,287.86x = 309,871,519.06
  5. Step 5: Solve for x
    x = 309,871,519.06/17,287.86
  6. Step 6: Final answer
    x = 17,924.23

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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.