Home / 18,309.03-27,453.82-8,950.70

Finding the Fourth Proportional to 18,309.03, 27,453.82 and 8,950.70

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Solution

The fourth proportional to 18,309.03, 27,453.82 and 8,950.70 is: 13,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.03 : 27,453.82 = 8,950.70 : x
  2. Step 2: Convert to fraction form
    18,309.03/27,453.82 = 8,950.70/x
  3. Step 3: Cross multiply
    18,309.03x = 27,453.82 × 8,950.70
  4. Step 4: Simplify right side
    18,309.03x = 245,730,747.03
  5. Step 5: Solve for x
    x = 245,730,747.03/18,309.03
  6. Step 6: Final answer
    x = 13,421.29

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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.