Home / 21,806.35-32,683.13-9,943.89

Finding the Fourth Proportional to 21,806.35, 32,683.13 and 9,943.89

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Solution

The fourth proportional to 21,806.35, 32,683.13 and 9,943.89 is: 14,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806.35 : 32,683.13 = 9,943.89 : x
  2. Step 2: Convert to fraction form
    21,806.35/32,683.13 = 9,943.89/x
  3. Step 3: Cross multiply
    21,806.35x = 32,683.13 × 9,943.89
  4. Step 4: Simplify right side
    21,806.35x = 324,997,412.48
  5. Step 5: Solve for x
    x = 324,997,412.48/21,806.35
  6. Step 6: Final answer
    x = 14,903.79

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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.