Home / 13,113.56-19,669.80-3,252.62

Finding the Fourth Proportional to 13,113.56, 19,669.80 and 3,252.62

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Solution

The fourth proportional to 13,113.56, 19,669.80 and 3,252.62 is: 4,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.56 : 19,669.80 = 3,252.62 : x
  2. Step 2: Convert to fraction form
    13,113.56/19,669.80 = 3,252.62/x
  3. Step 3: Cross multiply
    13,113.56x = 19,669.80 × 3,252.62
  4. Step 4: Simplify right side
    13,113.56x = 63,978,384.88
  5. Step 5: Solve for x
    x = 63,978,384.88/13,113.56
  6. Step 6: Final answer
    x = 4,878.80

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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.