Home / 13,829.07-19,086.26-8,164.43

Finding the Fourth Proportional to 13,829.07, 19,086.26 and 8,164.43

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Solution

The fourth proportional to 13,829.07, 19,086.26 and 8,164.43 is: 11,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.07 : 19,086.26 = 8,164.43 : x
  2. Step 2: Convert to fraction form
    13,829.07/19,086.26 = 8,164.43/x
  3. Step 3: Cross multiply
    13,829.07x = 19,086.26 × 8,164.43
  4. Step 4: Simplify right side
    13,829.07x = 155,828,297.48
  5. Step 5: Solve for x
    x = 155,828,297.48/13,829.07
  6. Step 6: Final answer
    x = 11,268.17

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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.