Home / 12,020.73-18,030.90-4,626.80

Finding the Fourth Proportional to 12,020.73, 18,030.90 and 4,626.80

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Solution

The fourth proportional to 12,020.73, 18,030.90 and 4,626.80 is: 6,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.73 : 18,030.90 = 4,626.80 : x
  2. Step 2: Convert to fraction form
    12,020.73/18,030.90 = 4,626.80/x
  3. Step 3: Cross multiply
    12,020.73x = 18,030.90 × 4,626.80
  4. Step 4: Simplify right side
    12,020.73x = 83,425,277.97
  5. Step 5: Solve for x
    x = 83,425,277.97/12,020.73
  6. Step 6: Final answer
    x = 6,940.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.