Home / 13,937.63-20,906.24-5,617.44

Finding the Fourth Proportional to 13,937.63, 20,906.24 and 5,617.44

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Solution

The fourth proportional to 13,937.63, 20,906.24 and 5,617.44 is: 8,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.63 : 20,906.24 = 5,617.44 : x
  2. Step 2: Convert to fraction form
    13,937.63/20,906.24 = 5,617.44/x
  3. Step 3: Cross multiply
    13,937.63x = 20,906.24 × 5,617.44
  4. Step 4: Simplify right side
    13,937.63x = 117,439,520.74
  5. Step 5: Solve for x
    x = 117,439,520.74/13,937.63
  6. Step 6: Final answer
    x = 8,426.08

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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.