Home / 20,863.96-31,296.12-16,693.63

Finding the Fourth Proportional to 20,863.96, 31,296.12 and 16,693.63

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Solution

The fourth proportional to 20,863.96, 31,296.12 and 16,693.63 is: 25,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.96 : 31,296.12 = 16,693.63 : x
  2. Step 2: Convert to fraction form
    20,863.96/31,296.12 = 16,693.63/x
  3. Step 3: Cross multiply
    20,863.96x = 31,296.12 × 16,693.63
  4. Step 4: Simplify right side
    20,863.96x = 522,445,847.72
  5. Step 5: Solve for x
    x = 522,445,847.72/20,863.96
  6. Step 6: Final answer
    x = 25,040.59

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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.