Home / 16,220.22-22,383.88-8,768.22

Finding the Fourth Proportional to 16,220.22, 22,383.88 and 8,768.22

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Solution

The fourth proportional to 16,220.22, 22,383.88 and 8,768.22 is: 12,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.22 : 22,383.88 = 8,768.22 : x
  2. Step 2: Convert to fraction form
    16,220.22/22,383.88 = 8,768.22/x
  3. Step 3: Cross multiply
    16,220.22x = 22,383.88 × 8,768.22
  4. Step 4: Simplify right side
    16,220.22x = 196,266,784.29
  5. Step 5: Solve for x
    x = 196,266,784.29/16,220.22
  6. Step 6: Final answer
    x = 12,100.13

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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.