Home / 13,853.25-19,138.33-9,084.51

Finding the Fourth Proportional to 13,853.25, 19,138.33 and 9,084.51

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Solution

The fourth proportional to 13,853.25, 19,138.33 and 9,084.51 is: 12,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.25 : 19,138.33 = 9,084.51 : x
  2. Step 2: Convert to fraction form
    13,853.25/19,138.33 = 9,084.51/x
  3. Step 3: Cross multiply
    13,853.25x = 19,138.33 × 9,084.51
  4. Step 4: Simplify right side
    13,853.25x = 173,862,231.87
  5. Step 5: Solve for x
    x = 173,862,231.87/13,853.25
  6. Step 6: Final answer
    x = 12,550.29

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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.