Home / 12,446.93-18,664.50-4,543.95

Finding the Fourth Proportional to 12,446.93, 18,664.50 and 4,543.95

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Solution

The fourth proportional to 12,446.93, 18,664.50 and 4,543.95 is: 6,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.93 : 18,664.50 = 4,543.95 : x
  2. Step 2: Convert to fraction form
    12,446.93/18,664.50 = 4,543.95/x
  3. Step 3: Cross multiply
    12,446.93x = 18,664.50 × 4,543.95
  4. Step 4: Simplify right side
    12,446.93x = 84,810,554.78
  5. Step 5: Solve for x
    x = 84,810,554.78/12,446.93
  6. Step 6: Final answer
    x = 6,813.78

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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.