Home / 21,794.12-30,065.88-12,837.33

Finding the Fourth Proportional to 21,794.12, 30,065.88 and 12,837.33

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Solution

The fourth proportional to 21,794.12, 30,065.88 and 12,837.33 is: 17,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.12 : 30,065.88 = 12,837.33 : x
  2. Step 2: Convert to fraction form
    21,794.12/30,065.88 = 12,837.33/x
  3. Step 3: Cross multiply
    21,794.12x = 30,065.88 × 12,837.33
  4. Step 4: Simplify right side
    21,794.12x = 385,965,623.30
  5. Step 5: Solve for x
    x = 385,965,623.30/21,794.12
  6. Step 6: Final answer
    x = 17,709.63

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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.