Home / 20,453.23-30,679.85-5,662.16

Finding the Fourth Proportional to 20,453.23, 30,679.85 and 5,662.16

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Solution

The fourth proportional to 20,453.23, 30,679.85 and 5,662.16 is: 8,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.23 : 30,679.85 = 5,662.16 : x
  2. Step 2: Convert to fraction form
    20,453.23/30,679.85 = 5,662.16/x
  3. Step 3: Cross multiply
    20,453.23x = 30,679.85 × 5,662.16
  4. Step 4: Simplify right side
    20,453.23x = 173,714,219.48
  5. Step 5: Solve for x
    x = 173,714,219.48/20,453.23
  6. Step 6: Final answer
    x = 8,493.24

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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.