Home / 18,089.21-27,133.82-10,975.23

Finding the Fourth Proportional to 18,089.21, 27,133.82 and 10,975.23

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Solution

The fourth proportional to 18,089.21, 27,133.82 and 10,975.23 is: 16,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.21 : 27,133.82 = 10,975.23 : x
  2. Step 2: Convert to fraction form
    18,089.21/27,133.82 = 10,975.23/x
  3. Step 3: Cross multiply
    18,089.21x = 27,133.82 × 10,975.23
  4. Step 4: Simplify right side
    18,089.21x = 297,799,860.40
  5. Step 5: Solve for x
    x = 297,799,860.40/18,089.21
  6. Step 6: Final answer
    x = 16,462.85

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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.