Home / 17,853.44-26,724.81-13,178.80

Finding the Fourth Proportional to 17,853.44, 26,724.81 and 13,178.80

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Solution

The fourth proportional to 17,853.44, 26,724.81 and 13,178.80 is: 19,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.44 : 26,724.81 = 13,178.80 : x
  2. Step 2: Convert to fraction form
    17,853.44/26,724.81 = 13,178.80/x
  3. Step 3: Cross multiply
    17,853.44x = 26,724.81 × 13,178.80
  4. Step 4: Simplify right side
    17,853.44x = 352,200,792.40
  5. Step 5: Solve for x
    x = 352,200,792.40/17,853.44
  6. Step 6: Final answer
    x = 19,727.34

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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.