Home / 13,135.90-19,687.41-6,563.92

Finding the Fourth Proportional to 13,135.90, 19,687.41 and 6,563.92

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Solution

The fourth proportional to 13,135.90, 19,687.41 and 6,563.92 is: 9,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.90 : 19,687.41 = 6,563.92 : x
  2. Step 2: Convert to fraction form
    13,135.90/19,687.41 = 6,563.92/x
  3. Step 3: Cross multiply
    13,135.90x = 19,687.41 × 6,563.92
  4. Step 4: Simplify right side
    13,135.90x = 129,226,584.25
  5. Step 5: Solve for x
    x = 129,226,584.25/13,135.90
  6. Step 6: Final answer
    x = 9,837.67

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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.