Home / 21,786.07-30,063.03-12,224.67

Finding the Fourth Proportional to 21,786.07, 30,063.03 and 12,224.67

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Solution

The fourth proportional to 21,786.07, 30,063.03 and 12,224.67 is: 16,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.07 : 30,063.03 = 12,224.67 : x
  2. Step 2: Convert to fraction form
    21,786.07/30,063.03 = 12,224.67/x
  3. Step 3: Cross multiply
    21,786.07x = 30,063.03 × 12,224.67
  4. Step 4: Simplify right side
    21,786.07x = 367,510,470.63
  5. Step 5: Solve for x
    x = 367,510,470.63/21,786.07
  6. Step 6: Final answer
    x = 16,869.06

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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.