Home / 10,999.26-16,501.60-3,208.08

Finding the Fourth Proportional to 10,999.26, 16,501.60 and 3,208.08

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Solution

The fourth proportional to 10,999.26, 16,501.60 and 3,208.08 is: 4,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.26 : 16,501.60 = 3,208.08 : x
  2. Step 2: Convert to fraction form
    10,999.26/16,501.60 = 3,208.08/x
  3. Step 3: Cross multiply
    10,999.26x = 16,501.60 × 3,208.08
  4. Step 4: Simplify right side
    10,999.26x = 52,938,452.93
  5. Step 5: Solve for x
    x = 52,938,452.93/10,999.26
  6. Step 6: Final answer
    x = 4,812.91

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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.