Home / 13,313.18-19,968.06-3,453.14

Finding the Fourth Proportional to 13,313.18, 19,968.06 and 3,453.14

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Solution

The fourth proportional to 13,313.18, 19,968.06 and 3,453.14 is: 5,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.18 : 19,968.06 = 3,453.14 : x
  2. Step 2: Convert to fraction form
    13,313.18/19,968.06 = 3,453.14/x
  3. Step 3: Cross multiply
    13,313.18x = 19,968.06 × 3,453.14
  4. Step 4: Simplify right side
    13,313.18x = 68,952,506.71
  5. Step 5: Solve for x
    x = 68,952,506.71/13,313.18
  6. Step 6: Final answer
    x = 5,179.27

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1.5x scale

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.