Home / 13,995.09-19,309.37-9,741.38

Finding the Fourth Proportional to 13,995.09, 19,309.37 and 9,741.38

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Solution

The fourth proportional to 13,995.09, 19,309.37 and 9,741.38 is: 13,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.09 : 19,309.37 = 9,741.38 : x
  2. Step 2: Convert to fraction form
    13,995.09/19,309.37 = 9,741.38/x
  3. Step 3: Cross multiply
    13,995.09x = 19,309.37 × 9,741.38
  4. Step 4: Simplify right side
    13,995.09x = 188,099,765.48
  5. Step 5: Solve for x
    x = 188,099,765.48/13,995.09
  6. Step 6: Final answer
    x = 13,440.41

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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.