Home / 13,179.50-19,780.95-6,163.33

Finding the Fourth Proportional to 13,179.50, 19,780.95 and 6,163.33

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Solution

The fourth proportional to 13,179.50, 19,780.95 and 6,163.33 is: 9,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.50 : 19,780.95 = 6,163.33 : x
  2. Step 2: Convert to fraction form
    13,179.50/19,780.95 = 6,163.33/x
  3. Step 3: Cross multiply
    13,179.50x = 19,780.95 × 6,163.33
  4. Step 4: Simplify right side
    13,179.50x = 121,916,522.56
  5. Step 5: Solve for x
    x = 121,916,522.56/13,179.50
  6. Step 6: Final answer
    x = 9,250.47

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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.