Home / 12,422.58-18,634.50-4,103.34

Finding the Fourth Proportional to 12,422.58, 18,634.50 and 4,103.34

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Solution

The fourth proportional to 12,422.58, 18,634.50 and 4,103.34 is: 6,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.58 : 18,634.50 = 4,103.34 : x
  2. Step 2: Convert to fraction form
    12,422.58/18,634.50 = 4,103.34/x
  3. Step 3: Cross multiply
    12,422.58x = 18,634.50 × 4,103.34
  4. Step 4: Simplify right side
    12,422.58x = 76,463,689.23
  5. Step 5: Solve for x
    x = 76,463,689.23/12,422.58
  6. Step 6: Final answer
    x = 6,155.22

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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.