Home / 13,231.21-19,845.60-4,466.20

Finding the Fourth Proportional to 13,231.21, 19,845.60 and 4,466.20

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Solution

The fourth proportional to 13,231.21, 19,845.60 and 4,466.20 is: 6,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.21 : 19,845.60 = 4,466.20 : x
  2. Step 2: Convert to fraction form
    13,231.21/19,845.60 = 4,466.20/x
  3. Step 3: Cross multiply
    13,231.21x = 19,845.60 × 4,466.20
  4. Step 4: Simplify right side
    13,231.21x = 88,634,319.49
  5. Step 5: Solve for x
    x = 88,634,319.49/13,231.21
  6. Step 6: Final answer
    x = 6,698.88

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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.