Home / 20,151.40-30,194.70-16,846.60

Finding the Fourth Proportional to 20,151.40, 30,194.70 and 16,846.60

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Solution

The fourth proportional to 20,151.40, 30,194.70 and 16,846.60 is: 25,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.40 : 30,194.70 = 16,846.60 : x
  2. Step 2: Convert to fraction form
    20,151.40/30,194.70 = 16,846.60/x
  3. Step 3: Cross multiply
    20,151.40x = 30,194.70 × 16,846.60
  4. Step 4: Simplify right side
    20,151.40x = 508,678,033.02
  5. Step 5: Solve for x
    x = 508,678,033.02/20,151.40
  6. Step 6: Final answer
    x = 25,242.81

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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.