Home / 13,585.80-20,392.67-8,324.44

Finding the Fourth Proportional to 13,585.80, 20,392.67 and 8,324.44

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Solution

The fourth proportional to 13,585.80, 20,392.67 and 8,324.44 is: 12,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.80 : 20,392.67 = 8,324.44 : x
  2. Step 2: Convert to fraction form
    13,585.80/20,392.67 = 8,324.44/x
  3. Step 3: Cross multiply
    13,585.80x = 20,392.67 × 8,324.44
  4. Step 4: Simplify right side
    13,585.80x = 169,757,557.85
  5. Step 5: Solve for x
    x = 169,757,557.85/13,585.80
  6. Step 6: Final answer
    x = 12,495.22

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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.