Home / 21,849.75-32,798.94-11,316.96

Finding the Fourth Proportional to 21,849.75, 32,798.94 and 11,316.96

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Solution

The fourth proportional to 21,849.75, 32,798.94 and 11,316.96 is: 16,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.75 : 32,798.94 = 11,316.96 : x
  2. Step 2: Convert to fraction form
    21,849.75/32,798.94 = 11,316.96/x
  3. Step 3: Cross multiply
    21,849.75x = 32,798.94 × 11,316.96
  4. Step 4: Simplify right side
    21,849.75x = 371,184,292.02
  5. Step 5: Solve for x
    x = 371,184,292.02/21,849.75
  6. Step 6: Final answer
    x = 16,988.03

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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.