Home / 12,455.75-18,683.33-3,095.79

Finding the Fourth Proportional to 12,455.75, 18,683.33 and 3,095.79

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Solution

The fourth proportional to 12,455.75, 18,683.33 and 3,095.79 is: 4,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.75 : 18,683.33 = 3,095.79 : x
  2. Step 2: Convert to fraction form
    12,455.75/18,683.33 = 3,095.79/x
  3. Step 3: Cross multiply
    12,455.75x = 18,683.33 × 3,095.79
  4. Step 4: Simplify right side
    12,455.75x = 57,839,650.70
  5. Step 5: Solve for x
    x = 57,839,650.70/12,455.75
  6. Step 6: Final answer
    x = 4,643.61

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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.