Home / 13,944.97-20,912-5,058.19

Finding the Fourth Proportional to 13,944.97, 20,912 and 5,058.19

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Solution

The fourth proportional to 13,944.97, 20,912 and 5,058.19 is: 7,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.97 : 20,912 = 5,058.19 : x
  2. Step 2: Convert to fraction form
    13,944.97/20,912 = 5,058.19/x
  3. Step 3: Cross multiply
    13,944.97x = 20,912 × 5,058.19
  4. Step 4: Simplify right side
    13,944.97x = 105,776,869.28
  5. Step 5: Solve for x
    x = 105,776,869.28/13,944.97
  6. Step 6: Final answer
    x = 7,585.31

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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.