Home / 19,381.88-26,747.82-10,999.16

Finding the Fourth Proportional to 19,381.88, 26,747.82 and 10,999.16

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Solution

The fourth proportional to 19,381.88, 26,747.82 and 10,999.16 is: 15,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.88 : 26,747.82 = 10,999.16 : x
  2. Step 2: Convert to fraction form
    19,381.88/26,747.82 = 10,999.16/x
  3. Step 3: Cross multiply
    19,381.88x = 26,747.82 × 10,999.16
  4. Step 4: Simplify right side
    19,381.88x = 294,203,551.83
  5. Step 5: Solve for x
    x = 294,203,551.83/19,381.88
  6. Step 6: Final answer
    x = 15,179.31

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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.