Home / 10,485.54-15,728.31-2,694.36

Finding the Fourth Proportional to 10,485.54, 15,728.31 and 2,694.36

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Solution

The fourth proportional to 10,485.54, 15,728.31 and 2,694.36 is: 4,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.54 : 15,728.31 = 2,694.36 : x
  2. Step 2: Convert to fraction form
    10,485.54/15,728.31 = 2,694.36/x
  3. Step 3: Cross multiply
    10,485.54x = 15,728.31 × 2,694.36
  4. Step 4: Simplify right side
    10,485.54x = 42,377,729.33
  5. Step 5: Solve for x
    x = 42,377,729.33/10,485.54
  6. Step 6: Final answer
    x = 4,041.54

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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.