Home / 9,912.65-13,675.43-6,763.37

Finding the Fourth Proportional to 9,912.65, 13,675.43 and 6,763.37

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Solution

The fourth proportional to 9,912.65, 13,675.43 and 6,763.37 is: 9,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.65 : 13,675.43 = 6,763.37 : x
  2. Step 2: Convert to fraction form
    9,912.65/13,675.43 = 6,763.37/x
  3. Step 3: Cross multiply
    9,912.65x = 13,675.43 × 6,763.37
  4. Step 4: Simplify right side
    9,912.65x = 92,491,941.53
  5. Step 5: Solve for x
    x = 92,491,941.53/9,912.65
  6. Step 6: Final answer
    x = 9,330.70

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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.