Home / 12,650.67-18,976.26-4,340.24

Finding the Fourth Proportional to 12,650.67, 18,976.26 and 4,340.24

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Solution

The fourth proportional to 12,650.67, 18,976.26 and 4,340.24 is: 6,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.67 : 18,976.26 = 4,340.24 : x
  2. Step 2: Convert to fraction form
    12,650.67/18,976.26 = 4,340.24/x
  3. Step 3: Cross multiply
    12,650.67x = 18,976.26 × 4,340.24
  4. Step 4: Simplify right side
    12,650.67x = 82,361,515.26
  5. Step 5: Solve for x
    x = 82,361,515.26/12,650.67
  6. Step 6: Final answer
    x = 6,510.45

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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.