Home / 13,965.62-19,267.07-7,994.07

Finding the Fourth Proportional to 13,965.62, 19,267.07 and 7,994.07

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Solution

The fourth proportional to 13,965.62, 19,267.07 and 7,994.07 is: 11,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.62 : 19,267.07 = 7,994.07 : x
  2. Step 2: Convert to fraction form
    13,965.62/19,267.07 = 7,994.07/x
  3. Step 3: Cross multiply
    13,965.62x = 19,267.07 × 7,994.07
  4. Step 4: Simplify right side
    13,965.62x = 154,022,266.30
  5. Step 5: Solve for x
    x = 154,022,266.30/13,965.62
  6. Step 6: Final answer
    x = 11,028.68

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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.