Home / 13,313.17-19,972.84-3,952.99

Finding the Fourth Proportional to 13,313.17, 19,972.84 and 3,952.99

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Solution

The fourth proportional to 13,313.17, 19,972.84 and 3,952.99 is: 5,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.17 : 19,972.84 = 3,952.99 : x
  2. Step 2: Convert to fraction form
    13,313.17/19,972.84 = 3,952.99/x
  3. Step 3: Cross multiply
    13,313.17x = 19,972.84 × 3,952.99
  4. Step 4: Simplify right side
    13,313.17x = 78,952,436.76
  5. Step 5: Solve for x
    x = 78,952,436.76/13,313.17
  6. Step 6: Final answer
    x = 5,930.40

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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.