Home / 12,634.68-18,946.82-4,315.37

Finding the Fourth Proportional to 12,634.68, 18,946.82 and 4,315.37

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Solution

The fourth proportional to 12,634.68, 18,946.82 and 4,315.37 is: 6,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.68 : 18,946.82 = 4,315.37 : x
  2. Step 2: Convert to fraction form
    12,634.68/18,946.82 = 4,315.37/x
  3. Step 3: Cross multiply
    12,634.68x = 18,946.82 × 4,315.37
  4. Step 4: Simplify right side
    12,634.68x = 81,762,422.31
  5. Step 5: Solve for x
    x = 81,762,422.31/12,634.68
  6. Step 6: Final answer
    x = 6,471.27

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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.