Home / 13,500.45-20,239.92-8,849.43

Finding the Fourth Proportional to 13,500.45, 20,239.92 and 8,849.43

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Solution

The fourth proportional to 13,500.45, 20,239.92 and 8,849.43 is: 13,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.45 : 20,239.92 = 8,849.43 : x
  2. Step 2: Convert to fraction form
    13,500.45/20,239.92 = 8,849.43/x
  3. Step 3: Cross multiply
    13,500.45x = 20,239.92 × 8,849.43
  4. Step 4: Simplify right side
    13,500.45x = 179,111,755.25
  5. Step 5: Solve for x
    x = 179,111,755.25/13,500.45
  6. Step 6: Final answer
    x = 13,267.10

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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.