Home / 12,251.80-18,383.10-5,674.60

Finding the Fourth Proportional to 12,251.80, 18,383.10 and 5,674.60

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Solution

The fourth proportional to 12,251.80, 18,383.10 and 5,674.60 is: 8,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.80 : 18,383.10 = 5,674.60 : x
  2. Step 2: Convert to fraction form
    12,251.80/18,383.10 = 5,674.60/x
  3. Step 3: Cross multiply
    12,251.80x = 18,383.10 × 5,674.60
  4. Step 4: Simplify right side
    12,251.80x = 104,316,739.26
  5. Step 5: Solve for x
    x = 104,316,739.26/12,251.80
  6. Step 6: Final answer
    x = 8,514.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.