Home / 12,678.29-18,992.60-6,001.73

Finding the Fourth Proportional to 12,678.29, 18,992.60 and 6,001.73

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Solution

The fourth proportional to 12,678.29, 18,992.60 and 6,001.73 is: 8,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678.29 : 18,992.60 = 6,001.73 : x
  2. Step 2: Convert to fraction form
    12,678.29/18,992.60 = 6,001.73/x
  3. Step 3: Cross multiply
    12,678.29x = 18,992.60 × 6,001.73
  4. Step 4: Simplify right side
    12,678.29x = 113,988,427.19
  5. Step 5: Solve for x
    x = 113,988,427.19/12,678.29
  6. Step 6: Final answer
    x = 8,990.84

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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.