Home / 13,246.88-19,870.32-4,487.96

Finding the Fourth Proportional to 13,246.88, 19,870.32 and 4,487.96

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Solution

The fourth proportional to 13,246.88, 19,870.32 and 4,487.96 is: 6,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.88 : 19,870.32 = 4,487.96 : x
  2. Step 2: Convert to fraction form
    13,246.88/19,870.32 = 4,487.96/x
  3. Step 3: Cross multiply
    13,246.88x = 19,870.32 × 4,487.96
  4. Step 4: Simplify right side
    13,246.88x = 89,177,201.35
  5. Step 5: Solve for x
    x = 89,177,201.35/13,246.88
  6. Step 6: Final answer
    x = 6,731.94

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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.