Home / 20,446.44-30,670.08-13,470.96

Finding the Fourth Proportional to 20,446.44, 30,670.08 and 13,470.96

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Solution

The fourth proportional to 20,446.44, 30,670.08 and 13,470.96 is: 20,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.44 : 30,670.08 = 13,470.96 : x
  2. Step 2: Convert to fraction form
    20,446.44/30,670.08 = 13,470.96/x
  3. Step 3: Cross multiply
    20,446.44x = 30,670.08 × 13,470.96
  4. Step 4: Simplify right side
    20,446.44x = 413,155,420.88
  5. Step 5: Solve for x
    x = 413,155,420.88/20,446.44
  6. Step 6: Final answer
    x = 20,206.72

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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.