Home / 12,262.24-16,912.40-8,277.04

Finding the Fourth Proportional to 12,262.24, 16,912.40 and 8,277.04

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Solution

The fourth proportional to 12,262.24, 16,912.40 and 8,277.04 is: 11,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.24 : 16,912.40 = 8,277.04 : x
  2. Step 2: Convert to fraction form
    12,262.24/16,912.40 = 8,277.04/x
  3. Step 3: Cross multiply
    12,262.24x = 16,912.40 × 8,277.04
  4. Step 4: Simplify right side
    12,262.24x = 139,984,611.30
  5. Step 5: Solve for x
    x = 139,984,611.30/12,262.24
  6. Step 6: Final answer
    x = 11,415.91

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1.5x scale

Why These Related Problems?

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