Home / 19,918.77-29,896.62-10,064.99

Finding the Fourth Proportional to 19,918.77, 29,896.62 and 10,064.99

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Solution

The fourth proportional to 19,918.77, 29,896.62 and 10,064.99 is: 15,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.77 : 29,896.62 = 10,064.99 : x
  2. Step 2: Convert to fraction form
    19,918.77/29,896.62 = 10,064.99/x
  3. Step 3: Cross multiply
    19,918.77x = 29,896.62 × 10,064.99
  4. Step 4: Simplify right side
    19,918.77x = 300,909,181.33
  5. Step 5: Solve for x
    x = 300,909,181.33/19,918.77
  6. Step 6: Final answer
    x = 15,106.82

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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.