Home / 13,846.82-19,110.47-7,879.07

Finding the Fourth Proportional to 13,846.82, 19,110.47 and 7,879.07

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Solution

The fourth proportional to 13,846.82, 19,110.47 and 7,879.07 is: 10,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.82 : 19,110.47 = 7,879.07 : x
  2. Step 2: Convert to fraction form
    13,846.82/19,110.47 = 7,879.07/x
  3. Step 3: Cross multiply
    13,846.82x = 19,110.47 × 7,879.07
  4. Step 4: Simplify right side
    13,846.82x = 150,572,739.24
  5. Step 5: Solve for x
    x = 150,572,739.24/13,846.82
  6. Step 6: Final answer
    x = 10,874.18

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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.