Home / 13,917.88-19,210.26-9,449.11

Finding the Fourth Proportional to 13,917.88, 19,210.26 and 9,449.11

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Solution

The fourth proportional to 13,917.88, 19,210.26 and 9,449.11 is: 13,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.88 : 19,210.26 = 9,449.11 : x
  2. Step 2: Convert to fraction form
    13,917.88/19,210.26 = 9,449.11/x
  3. Step 3: Cross multiply
    13,917.88x = 19,210.26 × 9,449.11
  4. Step 4: Simplify right side
    13,917.88x = 181,519,859.87
  5. Step 5: Solve for x
    x = 181,519,859.87/13,917.88
  6. Step 6: Final answer
    x = 13,042.21

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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.