Home / 20,257.10-30,384.21-5,466.86

Finding the Fourth Proportional to 20,257.10, 30,384.21 and 5,466.86

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Solution

The fourth proportional to 20,257.10, 30,384.21 and 5,466.86 is: 8,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.10 : 30,384.21 = 5,466.86 : x
  2. Step 2: Convert to fraction form
    20,257.10/30,384.21 = 5,466.86/x
  3. Step 3: Cross multiply
    20,257.10x = 30,384.21 × 5,466.86
  4. Step 4: Simplify right side
    20,257.10x = 166,106,222.28
  5. Step 5: Solve for x
    x = 166,106,222.28/20,257.10
  6. Step 6: Final answer
    x = 8,199.90

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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.