Home / 12,850.24-17,734-7,813.64

Finding the Fourth Proportional to 12,850.24, 17,734 and 7,813.64

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Solution

The fourth proportional to 12,850.24, 17,734 and 7,813.64 is: 10,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.24 : 17,734 = 7,813.64 : x
  2. Step 2: Convert to fraction form
    12,850.24/17,734 = 7,813.64/x
  3. Step 3: Cross multiply
    12,850.24x = 17,734 × 7,813.64
  4. Step 4: Simplify right side
    12,850.24x = 138,567,091.76
  5. Step 5: Solve for x
    x = 138,567,091.76/12,850.24
  6. Step 6: Final answer
    x = 10,783.23

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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.