Home / 13,197.07-19,800.26-8,772.31

Finding the Fourth Proportional to 13,197.07, 19,800.26 and 8,772.31

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Solution

The fourth proportional to 13,197.07, 19,800.26 and 8,772.31 is: 13,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.07 : 19,800.26 = 8,772.31 : x
  2. Step 2: Convert to fraction form
    13,197.07/19,800.26 = 8,772.31/x
  3. Step 3: Cross multiply
    13,197.07x = 19,800.26 × 8,772.31
  4. Step 4: Simplify right side
    13,197.07x = 173,694,018.80
  5. Step 5: Solve for x
    x = 173,694,018.80/13,197.07
  6. Step 6: Final answer
    x = 13,161.56

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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.