Home / 12,983.58-19,477.97-3,626.28

Finding the Fourth Proportional to 12,983.58, 19,477.97 and 3,626.28

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Solution

The fourth proportional to 12,983.58, 19,477.97 and 3,626.28 is: 5,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.58 : 19,477.97 = 3,626.28 : x
  2. Step 2: Convert to fraction form
    12,983.58/19,477.97 = 3,626.28/x
  3. Step 3: Cross multiply
    12,983.58x = 19,477.97 × 3,626.28
  4. Step 4: Simplify right side
    12,983.58x = 70,632,554.92
  5. Step 5: Solve for x
    x = 70,632,554.92/12,983.58
  6. Step 6: Final answer
    x = 5,440.14

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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.