Home / 13,983.33-21,070.61-11,571.33

Finding the Fourth Proportional to 13,983.33, 21,070.61 and 11,571.33

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Solution

The fourth proportional to 13,983.33, 21,070.61 and 11,571.33 is: 17,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.33 : 21,070.61 = 11,571.33 : x
  2. Step 2: Convert to fraction form
    13,983.33/21,070.61 = 11,571.33/x
  3. Step 3: Cross multiply
    13,983.33x = 21,070.61 × 11,571.33
  4. Step 4: Simplify right side
    13,983.33x = 243,814,952.68
  5. Step 5: Solve for x
    x = 243,814,952.68/13,983.33
  6. Step 6: Final answer
    x = 17,436.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.