Home / 22,091.93-30,485.95-12,020.41

Finding the Fourth Proportional to 22,091.93, 30,485.95 and 12,020.41

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Solution

The fourth proportional to 22,091.93, 30,485.95 and 12,020.41 is: 16,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.93 : 30,485.95 = 12,020.41 : x
  2. Step 2: Convert to fraction form
    22,091.93/30,485.95 = 12,020.41/x
  3. Step 3: Cross multiply
    22,091.93x = 30,485.95 × 12,020.41
  4. Step 4: Simplify right side
    22,091.93x = 366,453,558.14
  5. Step 5: Solve for x
    x = 366,453,558.14/22,091.93
  6. Step 6: Final answer
    x = 16,587.67

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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.