Home / 13,313.88-19,983.08-6,744.64

Finding the Fourth Proportional to 13,313.88, 19,983.08 and 6,744.64

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Solution

The fourth proportional to 13,313.88, 19,983.08 and 6,744.64 is: 10,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.88 : 19,983.08 = 6,744.64 : x
  2. Step 2: Convert to fraction form
    13,313.88/19,983.08 = 6,744.64/x
  3. Step 3: Cross multiply
    13,313.88x = 19,983.08 × 6,744.64
  4. Step 4: Simplify right side
    13,313.88x = 134,778,680.69
  5. Step 5: Solve for x
    x = 134,778,680.69/13,313.88
  6. Step 6: Final answer
    x = 10,123.17

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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.