Home / 13,670.40-20,506.41-4,310.73

Finding the Fourth Proportional to 13,670.40, 20,506.41 and 4,310.73

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Solution

The fourth proportional to 13,670.40, 20,506.41 and 4,310.73 is: 6,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.40 : 20,506.41 = 4,310.73 : x
  2. Step 2: Convert to fraction form
    13,670.40/20,506.41 = 4,310.73/x
  3. Step 3: Cross multiply
    13,670.40x = 20,506.41 × 4,310.73
  4. Step 4: Simplify right side
    13,670.40x = 88,397,596.78
  5. Step 5: Solve for x
    x = 88,397,596.78/13,670.40
  6. Step 6: Final answer
    x = 6,466.35

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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.