Home / 19,450.62-26,840.81-11,489.94

Finding the Fourth Proportional to 19,450.62, 26,840.81 and 11,489.94

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Solution

The fourth proportional to 19,450.62, 26,840.81 and 11,489.94 is: 15,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.62 : 26,840.81 = 11,489.94 : x
  2. Step 2: Convert to fraction form
    19,450.62/26,840.81 = 11,489.94/x
  3. Step 3: Cross multiply
    19,450.62x = 26,840.81 × 11,489.94
  4. Step 4: Simplify right side
    19,450.62x = 308,399,239.00
  5. Step 5: Solve for x
    x = 308,399,239.00/19,450.62
  6. Step 6: Final answer
    x = 15,855.50

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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.