Home / 20,600.61-30,893.63-12,707.37

Finding the Fourth Proportional to 20,600.61, 30,893.63 and 12,707.37

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Solution

The fourth proportional to 20,600.61, 30,893.63 and 12,707.37 is: 19,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.61 : 30,893.63 = 12,707.37 : x
  2. Step 2: Convert to fraction form
    20,600.61/30,893.63 = 12,707.37/x
  3. Step 3: Cross multiply
    20,600.61x = 30,893.63 × 12,707.37
  4. Step 4: Simplify right side
    20,600.61x = 392,576,723.52
  5. Step 5: Solve for x
    x = 392,576,723.52/20,600.61
  6. Step 6: Final answer
    x = 19,056.56

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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.