Home / 14,571.45-20,108.38-8,197.56

Finding the Fourth Proportional to 14,571.45, 20,108.38 and 8,197.56

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Solution

The fourth proportional to 14,571.45, 20,108.38 and 8,197.56 is: 11,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.45 : 20,108.38 = 8,197.56 : x
  2. Step 2: Convert to fraction form
    14,571.45/20,108.38 = 8,197.56/x
  3. Step 3: Cross multiply
    14,571.45x = 20,108.38 × 8,197.56
  4. Step 4: Simplify right side
    14,571.45x = 164,839,651.55
  5. Step 5: Solve for x
    x = 164,839,651.55/14,571.45
  6. Step 6: Final answer
    x = 11,312.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.