Home / 13,996.14-20,995.11-4,135.74

Finding the Fourth Proportional to 13,996.14, 20,995.11 and 4,135.74

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Solution

The fourth proportional to 13,996.14, 20,995.11 and 4,135.74 is: 6,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.14 : 20,995.11 = 4,135.74 : x
  2. Step 2: Convert to fraction form
    13,996.14/20,995.11 = 4,135.74/x
  3. Step 3: Cross multiply
    13,996.14x = 20,995.11 × 4,135.74
  4. Step 4: Simplify right side
    13,996.14x = 86,830,316.23
  5. Step 5: Solve for x
    x = 86,830,316.23/13,996.14
  6. Step 6: Final answer
    x = 6,203.88

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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.