Home / 13,960.08-19,270.68-8,370

Finding the Fourth Proportional to 13,960.08, 19,270.68 and 8,370

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Solution

The fourth proportional to 13,960.08, 19,270.68 and 8,370 is: 11,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.08 : 19,270.68 = 8,370 : x
  2. Step 2: Convert to fraction form
    13,960.08/19,270.68 = 8,370/x
  3. Step 3: Cross multiply
    13,960.08x = 19,270.68 × 8,370
  4. Step 4: Simplify right side
    13,960.08x = 161,295,591.60
  5. Step 5: Solve for x
    x = 161,295,591.60/13,960.08
  6. Step 6: Final answer
    x = 11,554.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.