Home / 20,804.55-31,208.39-6,013.58

Finding the Fourth Proportional to 20,804.55, 31,208.39 and 6,013.58

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Solution

The fourth proportional to 20,804.55, 31,208.39 and 6,013.58 is: 9,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.55 : 31,208.39 = 6,013.58 : x
  2. Step 2: Convert to fraction form
    20,804.55/31,208.39 = 6,013.58/x
  3. Step 3: Cross multiply
    20,804.55x = 31,208.39 × 6,013.58
  4. Step 4: Simplify right side
    20,804.55x = 187,673,986.38
  5. Step 5: Solve for x
    x = 187,673,986.38/20,804.55
  6. Step 6: Final answer
    x = 9,020.82

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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.