Home / 13,917.36-19,206.75-8,255.46

Finding the Fourth Proportional to 13,917.36, 19,206.75 and 8,255.46

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Solution

The fourth proportional to 13,917.36, 19,206.75 and 8,255.46 is: 11,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.36 : 19,206.75 = 8,255.46 : x
  2. Step 2: Convert to fraction form
    13,917.36/19,206.75 = 8,255.46/x
  3. Step 3: Cross multiply
    13,917.36x = 19,206.75 × 8,255.46
  4. Step 4: Simplify right side
    13,917.36x = 158,560,556.36
  5. Step 5: Solve for x
    x = 158,560,556.36/13,917.36
  6. Step 6: Final answer
    x = 11,393.01

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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.