Home / 20,197.02-30,295.56-9,664.56

Finding the Fourth Proportional to 20,197.02, 30,295.56 and 9,664.56

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Solution

The fourth proportional to 20,197.02, 30,295.56 and 9,664.56 is: 14,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.02 : 30,295.56 = 9,664.56 : x
  2. Step 2: Convert to fraction form
    20,197.02/30,295.56 = 9,664.56/x
  3. Step 3: Cross multiply
    20,197.02x = 30,295.56 × 9,664.56
  4. Step 4: Simplify right side
    20,197.02x = 292,793,257.35
  5. Step 5: Solve for x
    x = 292,793,257.35/20,197.02
  6. Step 6: Final answer
    x = 14,496.85

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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.