Home / 19,971.56-27,554.31-13,258.48

Finding the Fourth Proportional to 19,971.56, 27,554.31 and 13,258.48

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Solution

The fourth proportional to 19,971.56, 27,554.31 and 13,258.48 is: 18,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.56 : 27,554.31 = 13,258.48 : x
  2. Step 2: Convert to fraction form
    19,971.56/27,554.31 = 13,258.48/x
  3. Step 3: Cross multiply
    19,971.56x = 27,554.31 × 13,258.48
  4. Step 4: Simplify right side
    19,971.56x = 365,328,268.05
  5. Step 5: Solve for x
    x = 365,328,268.05/19,971.56
  6. Step 6: Final answer
    x = 18,292.43

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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.