Home / 20,804.69-31,205.81-6,013.28

Finding the Fourth Proportional to 20,804.69, 31,205.81 and 6,013.28

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Solution

The fourth proportional to 20,804.69, 31,205.81 and 6,013.28 is: 9,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.69 : 31,205.81 = 6,013.28 : x
  2. Step 2: Convert to fraction form
    20,804.69/31,205.81 = 6,013.28/x
  3. Step 3: Cross multiply
    20,804.69x = 31,205.81 × 6,013.28
  4. Step 4: Simplify right side
    20,804.69x = 187,649,087.06
  5. Step 5: Solve for x
    x = 187,649,087.06/20,804.69
  6. Step 6: Final answer
    x = 9,019.56

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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.