Home / 19,388.23-29,063.86-6,231.35

Finding the Fourth Proportional to 19,388.23, 29,063.86 and 6,231.35

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Solution

The fourth proportional to 19,388.23, 29,063.86 and 6,231.35 is: 9,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.23 : 29,063.86 = 6,231.35 : x
  2. Step 2: Convert to fraction form
    19,388.23/29,063.86 = 6,231.35/x
  3. Step 3: Cross multiply
    19,388.23x = 29,063.86 × 6,231.35
  4. Step 4: Simplify right side
    19,388.23x = 181,107,141.09
  5. Step 5: Solve for x
    x = 181,107,141.09/19,388.23
  6. Step 6: Final answer
    x = 9,341.09

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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.