Home / 22,224.30-30,668.64-12,153.09

Finding the Fourth Proportional to 22,224.30, 30,668.64 and 12,153.09

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Solution

The fourth proportional to 22,224.30, 30,668.64 and 12,153.09 is: 16,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.30 : 30,668.64 = 12,153.09 : x
  2. Step 2: Convert to fraction form
    22,224.30/30,668.64 = 12,153.09/x
  3. Step 3: Cross multiply
    22,224.30x = 30,668.64 × 12,153.09
  4. Step 4: Simplify right side
    22,224.30x = 372,718,742.10
  5. Step 5: Solve for x
    x = 372,718,742.10/22,224.30
  6. Step 6: Final answer
    x = 16,770.78

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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.