Home / 20,149.11-30,237.44-7,001.37

Finding the Fourth Proportional to 20,149.11, 30,237.44 and 7,001.37

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Solution

The fourth proportional to 20,149.11, 30,237.44 and 7,001.37 is: 10,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.11 : 30,237.44 = 7,001.37 : x
  2. Step 2: Convert to fraction form
    20,149.11/30,237.44 = 7,001.37/x
  3. Step 3: Cross multiply
    20,149.11x = 30,237.44 × 7,001.37
  4. Step 4: Simplify right side
    20,149.11x = 211,703,470.29
  5. Step 5: Solve for x
    x = 211,703,470.29/20,149.11
  6. Step 6: Final answer
    x = 10,506.84

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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.