Home / 12,277.37-16,942.89-6,972.30

Finding the Fourth Proportional to 12,277.37, 16,942.89 and 6,972.30

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Solution

The fourth proportional to 12,277.37, 16,942.89 and 6,972.30 is: 9,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.37 : 16,942.89 = 6,972.30 : x
  2. Step 2: Convert to fraction form
    12,277.37/16,942.89 = 6,972.30/x
  3. Step 3: Cross multiply
    12,277.37x = 16,942.89 × 6,972.30
  4. Step 4: Simplify right side
    12,277.37x = 118,130,911.95
  5. Step 5: Solve for x
    x = 118,130,911.95/12,277.37
  6. Step 6: Final answer
    x = 9,621.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.