Home / 13,478.82-20,205.46-4,708.05

Finding the Fourth Proportional to 13,478.82, 20,205.46 and 4,708.05

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Solution

The fourth proportional to 13,478.82, 20,205.46 and 4,708.05 is: 7,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.82 : 20,205.46 = 4,708.05 : x
  2. Step 2: Convert to fraction form
    13,478.82/20,205.46 = 4,708.05/x
  3. Step 3: Cross multiply
    13,478.82x = 20,205.46 × 4,708.05
  4. Step 4: Simplify right side
    13,478.82x = 95,128,315.95
  5. Step 5: Solve for x
    x = 95,128,315.95/13,478.82
  6. Step 6: Final answer
    x = 7,057.61

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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.