Home / 13,626.42-20,431.12-4,263.73

Finding the Fourth Proportional to 13,626.42, 20,431.12 and 4,263.73

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Solution

The fourth proportional to 13,626.42, 20,431.12 and 4,263.73 is: 6,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.42 : 20,431.12 = 4,263.73 : x
  2. Step 2: Convert to fraction form
    13,626.42/20,431.12 = 4,263.73/x
  3. Step 3: Cross multiply
    13,626.42x = 20,431.12 × 4,263.73
  4. Step 4: Simplify right side
    13,626.42x = 87,112,779.28
  5. Step 5: Solve for x
    x = 87,112,779.28/13,626.42
  6. Step 6: Final answer
    x = 6,392.93

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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.