Home / 15,918.76-23,878.59-4,231.99

Finding the Fourth Proportional to 15,918.76, 23,878.59 and 4,231.99

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Solution

The fourth proportional to 15,918.76, 23,878.59 and 4,231.99 is: 6,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.76 : 23,878.59 = 4,231.99 : x
  2. Step 2: Convert to fraction form
    15,918.76/23,878.59 = 4,231.99/x
  3. Step 3: Cross multiply
    15,918.76x = 23,878.59 × 4,231.99
  4. Step 4: Simplify right side
    15,918.76x = 101,053,954.09
  5. Step 5: Solve for x
    x = 101,053,954.09/15,918.76
  6. Step 6: Final answer
    x = 6,348.10

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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.