Home / 21,786.24-30,062.59-12,224.19

Finding the Fourth Proportional to 21,786.24, 30,062.59 and 12,224.19

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Solution

The fourth proportional to 21,786.24, 30,062.59 and 12,224.19 is: 16,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.24 : 30,062.59 = 12,224.19 : x
  2. Step 2: Convert to fraction form
    21,786.24/30,062.59 = 12,224.19/x
  3. Step 3: Cross multiply
    21,786.24x = 30,062.59 × 12,224.19
  4. Step 4: Simplify right side
    21,786.24x = 367,490,878.44
  5. Step 5: Solve for x
    x = 367,490,878.44/21,786.24
  6. Step 6: Final answer
    x = 16,868.03

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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.