Home / 21,927.51-30,257.62-12,365.26

Finding the Fourth Proportional to 21,927.51, 30,257.62 and 12,365.26

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Solution

The fourth proportional to 21,927.51, 30,257.62 and 12,365.26 is: 17,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.51 : 30,257.62 = 12,365.26 : x
  2. Step 2: Convert to fraction form
    21,927.51/30,257.62 = 12,365.26/x
  3. Step 3: Cross multiply
    21,927.51x = 30,257.62 × 12,365.26
  4. Step 4: Simplify right side
    21,927.51x = 374,143,231.72
  5. Step 5: Solve for x
    x = 374,143,231.72/21,927.51
  6. Step 6: Final answer
    x = 17,062.73

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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.