Home / 18,228.87-27,338.40-7,698.96

Finding the Fourth Proportional to 18,228.87, 27,338.40 and 7,698.96

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Solution

The fourth proportional to 18,228.87, 27,338.40 and 7,698.96 is: 11,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.87 : 27,338.40 = 7,698.96 : x
  2. Step 2: Convert to fraction form
    18,228.87/27,338.40 = 7,698.96/x
  3. Step 3: Cross multiply
    18,228.87x = 27,338.40 × 7,698.96
  4. Step 4: Simplify right side
    18,228.87x = 210,477,248.06
  5. Step 5: Solve for x
    x = 210,477,248.06/18,228.87
  6. Step 6: Final answer
    x = 11,546.37

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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.