Home / 12,148.96-16,764.16-6,843.68

Finding the Fourth Proportional to 12,148.96, 16,764.16 and 6,843.68

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Solution

The fourth proportional to 12,148.96, 16,764.16 and 6,843.68 is: 9,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.96 : 16,764.16 = 6,843.68 : x
  2. Step 2: Convert to fraction form
    12,148.96/16,764.16 = 6,843.68/x
  3. Step 3: Cross multiply
    12,148.96x = 16,764.16 × 6,843.68
  4. Step 4: Simplify right side
    12,148.96x = 114,728,546.51
  5. Step 5: Solve for x
    x = 114,728,546.51/12,148.96
  6. Step 6: Final answer
    x = 9,443.49

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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.