Home / 12,383.29-18,577.67-6,146.69

Finding the Fourth Proportional to 12,383.29, 18,577.67 and 6,146.69

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Solution

The fourth proportional to 12,383.29, 18,577.67 and 6,146.69 is: 9,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.29 : 18,577.67 = 6,146.69 : x
  2. Step 2: Convert to fraction form
    12,383.29/18,577.67 = 6,146.69/x
  3. Step 3: Cross multiply
    12,383.29x = 18,577.67 × 6,146.69
  4. Step 4: Simplify right side
    12,383.29x = 114,191,194.12
  5. Step 5: Solve for x
    x = 114,191,194.12/12,383.29
  6. Step 6: Final answer
    x = 9,221.40

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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.