Home / 10,694.94-14,747.90-6,445.16

Finding the Fourth Proportional to 10,694.94, 14,747.90 and 6,445.16

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Solution

The fourth proportional to 10,694.94, 14,747.90 and 6,445.16 is: 8,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.94 : 14,747.90 = 6,445.16 : x
  2. Step 2: Convert to fraction form
    10,694.94/14,747.90 = 6,445.16/x
  3. Step 3: Cross multiply
    10,694.94x = 14,747.90 × 6,445.16
  4. Step 4: Simplify right side
    10,694.94x = 95,052,521.89
  5. Step 5: Solve for x
    x = 95,052,521.89/10,694.94
  6. Step 6: Final answer
    x = 8,887.61

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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.