Home / 9,945.99-14,912.91-4,095.36

Finding the Fourth Proportional to 9,945.99, 14,912.91 and 4,095.36

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Solution

The fourth proportional to 9,945.99, 14,912.91 and 4,095.36 is: 6,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.99 : 14,912.91 = 4,095.36 : x
  2. Step 2: Convert to fraction form
    9,945.99/14,912.91 = 4,095.36/x
  3. Step 3: Cross multiply
    9,945.99x = 14,912.91 × 4,095.36
  4. Step 4: Simplify right side
    9,945.99x = 61,073,735.10
  5. Step 5: Solve for x
    x = 61,073,735.10/9,945.99
  6. Step 6: Final answer
    x = 6,140.54

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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.