Home / 19,222.40-28,833.60-8,127.32

Finding the Fourth Proportional to 19,222.40, 28,833.60 and 8,127.32

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Solution

The fourth proportional to 19,222.40, 28,833.60 and 8,127.32 is: 12,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.40 : 28,833.60 = 8,127.32 : x
  2. Step 2: Convert to fraction form
    19,222.40/28,833.60 = 8,127.32/x
  3. Step 3: Cross multiply
    19,222.40x = 28,833.60 × 8,127.32
  4. Step 4: Simplify right side
    19,222.40x = 234,339,893.95
  5. Step 5: Solve for x
    x = 234,339,893.95/19,222.40
  6. Step 6: Final answer
    x = 12,190.98

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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.