Home / 13,626.20-20,429.70-6,234.20

Finding the Fourth Proportional to 13,626.20, 20,429.70 and 6,234.20

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Solution

The fourth proportional to 13,626.20, 20,429.70 and 6,234.20 is: 9,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.20 : 20,429.70 = 6,234.20 : x
  2. Step 2: Convert to fraction form
    13,626.20/20,429.70 = 6,234.20/x
  3. Step 3: Cross multiply
    13,626.20x = 20,429.70 × 6,234.20
  4. Step 4: Simplify right side
    13,626.20x = 127,362,835.74
  5. Step 5: Solve for x
    x = 127,362,835.74/13,626.20
  6. Step 6: Final answer
    x = 9,346.91

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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.