Home / 13,927.82-19,217.66-8,261.51

Finding the Fourth Proportional to 13,927.82, 19,217.66 and 8,261.51

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Solution

The fourth proportional to 13,927.82, 19,217.66 and 8,261.51 is: 11,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.82 : 19,217.66 = 8,261.51 : x
  2. Step 2: Convert to fraction form
    13,927.82/19,217.66 = 8,261.51/x
  3. Step 3: Cross multiply
    13,927.82x = 19,217.66 × 8,261.51
  4. Step 4: Simplify right side
    13,927.82x = 158,766,752.87
  5. Step 5: Solve for x
    x = 158,766,752.87/13,927.82
  6. Step 6: Final answer
    x = 11,399.26

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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.