Home / 12,835.71-19,297.49-11,873.79

Finding the Fourth Proportional to 12,835.71, 19,297.49 and 11,873.79

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Solution

The fourth proportional to 12,835.71, 19,297.49 and 11,873.79 is: 17,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.71 : 19,297.49 = 11,873.79 : x
  2. Step 2: Convert to fraction form
    12,835.71/19,297.49 = 11,873.79/x
  3. Step 3: Cross multiply
    12,835.71x = 19,297.49 × 11,873.79
  4. Step 4: Simplify right side
    12,835.71x = 229,134,284.42
  5. Step 5: Solve for x
    x = 229,134,284.42/12,835.71
  6. Step 6: Final answer
    x = 17,851.31

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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.