Home / 13,276.02-19,914.30-3,415.36

Finding the Fourth Proportional to 13,276.02, 19,914.30 and 3,415.36

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Solution

The fourth proportional to 13,276.02, 19,914.30 and 3,415.36 is: 5,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.02 : 19,914.30 = 3,415.36 : x
  2. Step 2: Convert to fraction form
    13,276.02/19,914.30 = 3,415.36/x
  3. Step 3: Cross multiply
    13,276.02x = 19,914.30 × 3,415.36
  4. Step 4: Simplify right side
    13,276.02x = 68,014,503.65
  5. Step 5: Solve for x
    x = 68,014,503.65/13,276.02
  6. Step 6: Final answer
    x = 5,123.11

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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.