Home / 13,210.20-19,839.96-11,629.48

Finding the Fourth Proportional to 13,210.20, 19,839.96 and 11,629.48

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Solution

The fourth proportional to 13,210.20, 19,839.96 and 11,629.48 is: 17,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.20 : 19,839.96 = 11,629.48 : x
  2. Step 2: Convert to fraction form
    13,210.20/19,839.96 = 11,629.48/x
  3. Step 3: Cross multiply
    13,210.20x = 19,839.96 × 11,629.48
  4. Step 4: Simplify right side
    13,210.20x = 230,728,418.02
  5. Step 5: Solve for x
    x = 230,728,418.02/13,210.20
  6. Step 6: Final answer
    x = 17,465.93

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1.5x scale

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.