Home / 13,355.62-20,036.29-3,996.36

Finding the Fourth Proportional to 13,355.62, 20,036.29 and 3,996.36

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Solution

The fourth proportional to 13,355.62, 20,036.29 and 3,996.36 is: 5,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.62 : 20,036.29 = 3,996.36 : x
  2. Step 2: Convert to fraction form
    13,355.62/20,036.29 = 3,996.36/x
  3. Step 3: Cross multiply
    13,355.62x = 20,036.29 × 3,996.36
  4. Step 4: Simplify right side
    13,355.62x = 80,072,227.90
  5. Step 5: Solve for x
    x = 80,072,227.90/13,355.62
  6. Step 6: Final answer
    x = 5,995.40

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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.