Home / 20,460.56-30,645.86-16,910.33

Finding the Fourth Proportional to 20,460.56, 30,645.86 and 16,910.33

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Solution

The fourth proportional to 20,460.56, 30,645.86 and 16,910.33 is: 25,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.56 : 30,645.86 = 16,910.33 : x
  2. Step 2: Convert to fraction form
    20,460.56/30,645.86 = 16,910.33/x
  3. Step 3: Cross multiply
    20,460.56x = 30,645.86 × 16,910.33
  4. Step 4: Simplify right side
    20,460.56x = 518,231,367.95
  5. Step 5: Solve for x
    x = 518,231,367.95/20,460.56
  6. Step 6: Final answer
    x = 25,328.31

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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.