Home / 13,136.76-19,705.08-3,276.02

Finding the Fourth Proportional to 13,136.76, 19,705.08 and 3,276.02

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Solution

The fourth proportional to 13,136.76, 19,705.08 and 3,276.02 is: 4,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.76 : 19,705.08 = 3,276.02 : x
  2. Step 2: Convert to fraction form
    13,136.76/19,705.08 = 3,276.02/x
  3. Step 3: Cross multiply
    13,136.76x = 19,705.08 × 3,276.02
  4. Step 4: Simplify right side
    13,136.76x = 64,554,236.18
  5. Step 5: Solve for x
    x = 64,554,236.18/13,136.76
  6. Step 6: Final answer
    x = 4,914.02

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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.