Home / 20,453.46-30,676.59-5,460.77

Finding the Fourth Proportional to 20,453.46, 30,676.59 and 5,460.77

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Solution

The fourth proportional to 20,453.46, 30,676.59 and 5,460.77 is: 8,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.46 : 30,676.59 = 5,460.77 : x
  2. Step 2: Convert to fraction form
    20,453.46/30,676.59 = 5,460.77/x
  3. Step 3: Cross multiply
    20,453.46x = 30,676.59 × 5,460.77
  4. Step 4: Simplify right side
    20,453.46x = 167,517,648.99
  5. Step 5: Solve for x
    x = 167,517,648.99/20,453.46
  6. Step 6: Final answer
    x = 8,190.19

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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.