Home / 9,640.44-14,450.64-4,089.12

Finding the Fourth Proportional to 9,640.44, 14,450.64 and 4,089.12

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Solution

The fourth proportional to 9,640.44, 14,450.64 and 4,089.12 is: 6,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.44 : 14,450.64 = 4,089.12 : x
  2. Step 2: Convert to fraction form
    9,640.44/14,450.64 = 4,089.12/x
  3. Step 3: Cross multiply
    9,640.44x = 14,450.64 × 4,089.12
  4. Step 4: Simplify right side
    9,640.44x = 59,090,401.04
  5. Step 5: Solve for x
    x = 59,090,401.04/9,640.44
  6. Step 6: Final answer
    x = 6,129.43

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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.