Home / 11,821.94-16,314.05-6,444.43

Finding the Fourth Proportional to 11,821.94, 16,314.05 and 6,444.43

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Solution

The fourth proportional to 11,821.94, 16,314.05 and 6,444.43 is: 8,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.94 : 16,314.05 = 6,444.43 : x
  2. Step 2: Convert to fraction form
    11,821.94/16,314.05 = 6,444.43/x
  3. Step 3: Cross multiply
    11,821.94x = 16,314.05 × 6,444.43
  4. Step 4: Simplify right side
    11,821.94x = 105,134,728.57
  5. Step 5: Solve for x
    x = 105,134,728.57/11,821.94
  6. Step 6: Final answer
    x = 8,893.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.