Home / 13,141.58-19,690.43-9,239.00

Finding the Fourth Proportional to 13,141.58, 19,690.43 and 9,239.00

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Solution

The fourth proportional to 13,141.58, 19,690.43 and 9,239.00 is: 13,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.58 : 19,690.43 = 9,239.00 : x
  2. Step 2: Convert to fraction form
    13,141.58/19,690.43 = 9,239.00/x
  3. Step 3: Cross multiply
    13,141.58x = 19,690.43 × 9,239.00
  4. Step 4: Simplify right side
    13,141.58x = 181,919,738.12
  5. Step 5: Solve for x
    x = 181,919,738.12/13,141.58
  6. Step 6: Final answer
    x = 13,843.07

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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.