Home / 20,006.67-30,013.65-6,860.37

Finding the Fourth Proportional to 20,006.67, 30,013.65 and 6,860.37

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Solution

The fourth proportional to 20,006.67, 30,013.65 and 6,860.37 is: 10,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.67 : 30,013.65 = 6,860.37 : x
  2. Step 2: Convert to fraction form
    20,006.67/30,013.65 = 6,860.37/x
  3. Step 3: Cross multiply
    20,006.67x = 30,013.65 × 6,860.37
  4. Step 4: Simplify right side
    20,006.67x = 205,904,744.05
  5. Step 5: Solve for x
    x = 205,904,744.05/20,006.67
  6. Step 6: Final answer
    x = 10,291.80

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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.