Home / 20,188.70-30,246.60-16,470.80

Finding the Fourth Proportional to 20,188.70, 30,246.60 and 16,470.80

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Solution

The fourth proportional to 20,188.70, 30,246.60 and 16,470.80 is: 24,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.70 : 30,246.60 = 16,470.80 : x
  2. Step 2: Convert to fraction form
    20,188.70/30,246.60 = 16,470.80/x
  3. Step 3: Cross multiply
    20,188.70x = 30,246.60 × 16,470.80
  4. Step 4: Simplify right side
    20,188.70x = 498,185,699.28
  5. Step 5: Solve for x
    x = 498,185,699.28/20,188.70
  6. Step 6: Final answer
    x = 24,676.46

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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.