Home / 12,860.08-19,289.08-3,626.16

Finding the Fourth Proportional to 12,860.08, 19,289.08 and 3,626.16

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Solution

The fourth proportional to 12,860.08, 19,289.08 and 3,626.16 is: 5,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.08 : 19,289.08 = 3,626.16 : x
  2. Step 2: Convert to fraction form
    12,860.08/19,289.08 = 3,626.16/x
  3. Step 3: Cross multiply
    12,860.08x = 19,289.08 × 3,626.16
  4. Step 4: Simplify right side
    12,860.08x = 69,945,290.33
  5. Step 5: Solve for x
    x = 69,945,290.33/12,860.08
  6. Step 6: Final answer
    x = 5,438.95

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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.