Home / 13,588.43-20,391.32-6,193.64

Finding the Fourth Proportional to 13,588.43, 20,391.32 and 6,193.64

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Solution

The fourth proportional to 13,588.43, 20,391.32 and 6,193.64 is: 9,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.43 : 20,391.32 = 6,193.64 : x
  2. Step 2: Convert to fraction form
    13,588.43/20,391.32 = 6,193.64/x
  3. Step 3: Cross multiply
    13,588.43x = 20,391.32 × 6,193.64
  4. Step 4: Simplify right side
    13,588.43x = 126,296,464.24
  5. Step 5: Solve for x
    x = 126,296,464.24/13,588.43
  6. Step 6: Final answer
    x = 9,294.41

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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.