Home / 14,571.36-20,107.71-8,600.85

Finding the Fourth Proportional to 14,571.36, 20,107.71 and 8,600.85

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Solution

The fourth proportional to 14,571.36, 20,107.71 and 8,600.85 is: 11,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.36 : 20,107.71 = 8,600.85 : x
  2. Step 2: Convert to fraction form
    14,571.36/20,107.71 = 8,600.85/x
  3. Step 3: Cross multiply
    14,571.36x = 20,107.71 × 8,600.85
  4. Step 4: Simplify right side
    14,571.36x = 172,943,397.55
  5. Step 5: Solve for x
    x = 172,943,397.55/14,571.36
  6. Step 6: Final answer
    x = 11,868.72

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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.