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Finding the Fourth Proportional to 9,045.56, 13,568.51 and 5,945.33

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Solution

The fourth proportional to 9,045.56, 13,568.51 and 5,945.33 is: 8,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.56 : 13,568.51 = 5,945.33 : x
  2. Step 2: Convert to fraction form
    9,045.56/13,568.51 = 5,945.33/x
  3. Step 3: Cross multiply
    9,045.56x = 13,568.51 × 5,945.33
  4. Step 4: Simplify right side
    9,045.56x = 80,669,201.72
  5. Step 5: Solve for x
    x = 80,669,201.72/9,045.56
  6. Step 6: Final answer
    x = 8,918.10

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1.5x scale

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.