Home / 10,805.26-16,210.08-3,409.54

Finding the Fourth Proportional to 10,805.26, 16,210.08 and 3,409.54

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Solution

The fourth proportional to 10,805.26, 16,210.08 and 3,409.54 is: 5,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.26 : 16,210.08 = 3,409.54 : x
  2. Step 2: Convert to fraction form
    10,805.26/16,210.08 = 3,409.54/x
  3. Step 3: Cross multiply
    10,805.26x = 16,210.08 × 3,409.54
  4. Step 4: Simplify right side
    10,805.26x = 55,268,916.16
  5. Step 5: Solve for x
    x = 55,268,916.16/10,805.26
  6. Step 6: Final answer
    x = 5,115.00

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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.