Home / 12,647.48-17,453.55-6,982.23

Finding the Fourth Proportional to 12,647.48, 17,453.55 and 6,982.23

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Solution

The fourth proportional to 12,647.48, 17,453.55 and 6,982.23 is: 9,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.48 : 17,453.55 = 6,982.23 : x
  2. Step 2: Convert to fraction form
    12,647.48/17,453.55 = 6,982.23/x
  3. Step 3: Cross multiply
    12,647.48x = 17,453.55 × 6,982.23
  4. Step 4: Simplify right side
    12,647.48x = 121,864,739.68
  5. Step 5: Solve for x
    x = 121,864,739.68/12,647.48
  6. Step 6: Final answer
    x = 9,635.50

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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.