Home / 13,974.25-19,284.87-7,687.03

Finding the Fourth Proportional to 13,974.25, 19,284.87 and 7,687.03

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Solution

The fourth proportional to 13,974.25, 19,284.87 and 7,687.03 is: 10,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.25 : 19,284.87 = 7,687.03 : x
  2. Step 2: Convert to fraction form
    13,974.25/19,284.87 = 7,687.03/x
  3. Step 3: Cross multiply
    13,974.25x = 19,284.87 × 7,687.03
  4. Step 4: Simplify right side
    13,974.25x = 148,243,374.24
  5. Step 5: Solve for x
    x = 148,243,374.24/13,974.25
  6. Step 6: Final answer
    x = 10,608.32

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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.