Home / 14,020.54-19,338.42-8,986.19

Finding the Fourth Proportional to 14,020.54, 19,338.42 and 8,986.19

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Solution

The fourth proportional to 14,020.54, 19,338.42 and 8,986.19 is: 12,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.54 : 19,338.42 = 8,986.19 : x
  2. Step 2: Convert to fraction form
    14,020.54/19,338.42 = 8,986.19/x
  3. Step 3: Cross multiply
    14,020.54x = 19,338.42 × 8,986.19
  4. Step 4: Simplify right side
    14,020.54x = 173,778,619.73
  5. Step 5: Solve for x
    x = 173,778,619.73/14,020.54
  6. Step 6: Final answer
    x = 12,394.58

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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.