Home / 13,336.36-19,997.69-7,800.52

Finding the Fourth Proportional to 13,336.36, 19,997.69 and 7,800.52

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Solution

The fourth proportional to 13,336.36, 19,997.69 and 7,800.52 is: 11,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.36 : 19,997.69 = 7,800.52 : x
  2. Step 2: Convert to fraction form
    13,336.36/19,997.69 = 7,800.52/x
  3. Step 3: Cross multiply
    13,336.36x = 19,997.69 × 7,800.52
  4. Step 4: Simplify right side
    13,336.36x = 155,992,380.80
  5. Step 5: Solve for x
    x = 155,992,380.80/13,336.36
  6. Step 6: Final answer
    x = 11,696.77

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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.