Home / 19,618.69-29,440.99-9,231.25

Finding the Fourth Proportional to 19,618.69, 29,440.99 and 9,231.25

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Solution

The fourth proportional to 19,618.69, 29,440.99 and 9,231.25 is: 13,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.69 : 29,440.99 = 9,231.25 : x
  2. Step 2: Convert to fraction form
    19,618.69/29,440.99 = 9,231.25/x
  3. Step 3: Cross multiply
    19,618.69x = 29,440.99 × 9,231.25
  4. Step 4: Simplify right side
    19,618.69x = 271,777,138.94
  5. Step 5: Solve for x
    x = 271,777,138.94/19,618.69
  6. Step 6: Final answer
    x = 13,852.97

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1.5x scale

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.