Home / 9,747.53-13,450.83-5,555.78

Finding the Fourth Proportional to 9,747.53, 13,450.83 and 5,555.78

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Solution

The fourth proportional to 9,747.53, 13,450.83 and 5,555.78 is: 7,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.53 : 13,450.83 = 5,555.78 : x
  2. Step 2: Convert to fraction form
    9,747.53/13,450.83 = 5,555.78/x
  3. Step 3: Cross multiply
    9,747.53x = 13,450.83 × 5,555.78
  4. Step 4: Simplify right side
    9,747.53x = 74,729,852.30
  5. Step 5: Solve for x
    x = 74,729,852.30/9,747.53
  6. Step 6: Final answer
    x = 7,666.54

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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.