Home / 12,100.05-16,698.90-6,723.12

Finding the Fourth Proportional to 12,100.05, 16,698.90 and 6,723.12

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Solution

The fourth proportional to 12,100.05, 16,698.90 and 6,723.12 is: 9,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.05 : 16,698.90 = 6,723.12 : x
  2. Step 2: Convert to fraction form
    12,100.05/16,698.90 = 6,723.12/x
  3. Step 3: Cross multiply
    12,100.05x = 16,698.90 × 6,723.12
  4. Step 4: Simplify right side
    12,100.05x = 112,268,708.57
  5. Step 5: Solve for x
    x = 112,268,708.57/12,100.05
  6. Step 6: Final answer
    x = 9,278.37

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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.