Home / 13,080.55-19,618.08-4,313.41

Finding the Fourth Proportional to 13,080.55, 19,618.08 and 4,313.41

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Solution

The fourth proportional to 13,080.55, 19,618.08 and 4,313.41 is: 6,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.55 : 19,618.08 = 4,313.41 : x
  2. Step 2: Convert to fraction form
    13,080.55/19,618.08 = 4,313.41/x
  3. Step 3: Cross multiply
    13,080.55x = 19,618.08 × 4,313.41
  4. Step 4: Simplify right side
    13,080.55x = 84,620,822.45
  5. Step 5: Solve for x
    x = 84,620,822.45/13,080.55
  6. Step 6: Final answer
    x = 6,469.21

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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.