Home / 20,968.94-31,453.35-6,177.84

Finding the Fourth Proportional to 20,968.94, 31,453.35 and 6,177.84

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Solution

The fourth proportional to 20,968.94, 31,453.35 and 6,177.84 is: 9,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968.94 : 31,453.35 = 6,177.84 : x
  2. Step 2: Convert to fraction form
    20,968.94/31,453.35 = 6,177.84/x
  3. Step 3: Cross multiply
    20,968.94x = 31,453.35 × 6,177.84
  4. Step 4: Simplify right side
    20,968.94x = 194,313,763.76
  5. Step 5: Solve for x
    x = 194,313,763.76/20,968.94
  6. Step 6: Final answer
    x = 9,266.74

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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.