Home / 12,678.50-19,010.15-6,016.65

Finding the Fourth Proportional to 12,678.50, 19,010.15 and 6,016.65

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Solution

The fourth proportional to 12,678.50, 19,010.15 and 6,016.65 is: 9,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678.50 : 19,010.15 = 6,016.65 : x
  2. Step 2: Convert to fraction form
    12,678.50/19,010.15 = 6,016.65/x
  3. Step 3: Cross multiply
    12,678.50x = 19,010.15 × 6,016.65
  4. Step 4: Simplify right side
    12,678.50x = 114,377,512.85
  5. Step 5: Solve for x
    x = 114,377,512.85/12,678.50
  6. Step 6: Final answer
    x = 9,021.38

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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.