Home / 21,903.69-32,851.94-6,109.79

Finding the Fourth Proportional to 21,903.69, 32,851.94 and 6,109.79

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Solution

The fourth proportional to 21,903.69, 32,851.94 and 6,109.79 is: 9,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.69 : 32,851.94 = 6,109.79 : x
  2. Step 2: Convert to fraction form
    21,903.69/32,851.94 = 6,109.79/x
  3. Step 3: Cross multiply
    21,903.69x = 32,851.94 × 6,109.79
  4. Step 4: Simplify right side
    21,903.69x = 200,718,259.68
  5. Step 5: Solve for x
    x = 200,718,259.68/21,903.69
  6. Step 6: Final answer
    x = 9,163.68

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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.