Home / 13,013.76-19,518.62-4,246.73

Finding the Fourth Proportional to 13,013.76, 19,518.62 and 4,246.73

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Solution

The fourth proportional to 13,013.76, 19,518.62 and 4,246.73 is: 6,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.76 : 19,518.62 = 4,246.73 : x
  2. Step 2: Convert to fraction form
    13,013.76/19,518.62 = 4,246.73/x
  3. Step 3: Cross multiply
    13,013.76x = 19,518.62 × 4,246.73
  4. Step 4: Simplify right side
    13,013.76x = 82,890,190.29
  5. Step 5: Solve for x
    x = 82,890,190.29/13,013.76
  6. Step 6: Final answer
    x = 6,369.43

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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.