Home / 15,112.09-20,847.54-9,804.97

Finding the Fourth Proportional to 15,112.09, 20,847.54 and 9,804.97

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Solution

The fourth proportional to 15,112.09, 20,847.54 and 9,804.97 is: 13,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.09 : 20,847.54 = 9,804.97 : x
  2. Step 2: Convert to fraction form
    15,112.09/20,847.54 = 9,804.97/x
  3. Step 3: Cross multiply
    15,112.09x = 20,847.54 × 9,804.97
  4. Step 4: Simplify right side
    15,112.09x = 204,409,504.27
  5. Step 5: Solve for x
    x = 204,409,504.27/15,112.09
  6. Step 6: Final answer
    x = 13,526.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.