Home / 12,634.18-18,950.82-4,314.46

Finding the Fourth Proportional to 12,634.18, 18,950.82 and 4,314.46

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Solution

The fourth proportional to 12,634.18, 18,950.82 and 4,314.46 is: 6,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.18 : 18,950.82 = 4,314.46 : x
  2. Step 2: Convert to fraction form
    12,634.18/18,950.82 = 4,314.46/x
  3. Step 3: Cross multiply
    12,634.18x = 18,950.82 × 4,314.46
  4. Step 4: Simplify right side
    12,634.18x = 81,762,554.86
  5. Step 5: Solve for x
    x = 81,762,554.86/12,634.18
  6. Step 6: Final answer
    x = 6,471.54

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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.