Home / 12,148.76-16,765.32-6,843.64

Finding the Fourth Proportional to 12,148.76, 16,765.32 and 6,843.64

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Solution

The fourth proportional to 12,148.76, 16,765.32 and 6,843.64 is: 9,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.76 : 16,765.32 = 6,843.64 : x
  2. Step 2: Convert to fraction form
    12,148.76/16,765.32 = 6,843.64/x
  3. Step 3: Cross multiply
    12,148.76x = 16,765.32 × 6,843.64
  4. Step 4: Simplify right side
    12,148.76x = 114,735,814.56
  5. Step 5: Solve for x
    x = 114,735,814.56/12,148.76
  6. Step 6: Final answer
    x = 9,444.24

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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.