Home / 19,016.40-26,238.42-11,940.24

Finding the Fourth Proportional to 19,016.40, 26,238.42 and 11,940.24

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Solution

The fourth proportional to 19,016.40, 26,238.42 and 11,940.24 is: 16,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.40 : 26,238.42 = 11,940.24 : x
  2. Step 2: Convert to fraction form
    19,016.40/26,238.42 = 11,940.24/x
  3. Step 3: Cross multiply
    19,016.40x = 26,238.42 × 11,940.24
  4. Step 4: Simplify right side
    19,016.40x = 313,293,032.02
  5. Step 5: Solve for x
    x = 313,293,032.02/19,016.40
  6. Step 6: Final answer
    x = 16,474.89

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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.