Home / 13,996.76-21,002.43-6,203.75

Finding the Fourth Proportional to 13,996.76, 21,002.43 and 6,203.75

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Solution

The fourth proportional to 13,996.76, 21,002.43 and 6,203.75 is: 9,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.76 : 21,002.43 = 6,203.75 : x
  2. Step 2: Convert to fraction form
    13,996.76/21,002.43 = 6,203.75/x
  3. Step 3: Cross multiply
    13,996.76x = 21,002.43 × 6,203.75
  4. Step 4: Simplify right side
    13,996.76x = 130,293,825.11
  5. Step 5: Solve for x
    x = 130,293,825.11/13,996.76
  6. Step 6: Final answer
    x = 9,308.86

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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.