Home / 21,922.26-30,256.67-12,365.07

Finding the Fourth Proportional to 21,922.26, 30,256.67 and 12,365.07

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Solution

The fourth proportional to 21,922.26, 30,256.67 and 12,365.07 is: 17,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.26 : 30,256.67 = 12,365.07 : x
  2. Step 2: Convert to fraction form
    21,922.26/30,256.67 = 12,365.07/x
  3. Step 3: Cross multiply
    21,922.26x = 30,256.67 × 12,365.07
  4. Step 4: Simplify right side
    21,922.26x = 374,125,780.69
  5. Step 5: Solve for x
    x = 374,125,780.69/21,922.26
  6. Step 6: Final answer
    x = 17,066.02

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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.