Home / 20,236.77-30,337.74-8,383.23

Finding the Fourth Proportional to 20,236.77, 30,337.74 and 8,383.23

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Solution

The fourth proportional to 20,236.77, 30,337.74 and 8,383.23 is: 12,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.77 : 30,337.74 = 8,383.23 : x
  2. Step 2: Convert to fraction form
    20,236.77/30,337.74 = 8,383.23/x
  3. Step 3: Cross multiply
    20,236.77x = 30,337.74 × 8,383.23
  4. Step 4: Simplify right side
    20,236.77x = 254,328,252.10
  5. Step 5: Solve for x
    x = 254,328,252.10/20,236.77
  6. Step 6: Final answer
    x = 12,567.63

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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.