Home / 12,984.45-17,918.55-7,016.14

Finding the Fourth Proportional to 12,984.45, 17,918.55 and 7,016.14

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Solution

The fourth proportional to 12,984.45, 17,918.55 and 7,016.14 is: 9,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.45 : 17,918.55 = 7,016.14 : x
  2. Step 2: Convert to fraction form
    12,984.45/17,918.55 = 7,016.14/x
  3. Step 3: Cross multiply
    12,984.45x = 17,918.55 × 7,016.14
  4. Step 4: Simplify right side
    12,984.45x = 125,718,930.72
  5. Step 5: Solve for x
    x = 125,718,930.72/12,984.45
  6. Step 6: Final answer
    x = 9,682.27

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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.