Home / 13,996.04-20,994.26-3,607.79

Finding the Fourth Proportional to 13,996.04, 20,994.26 and 3,607.79

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Solution

The fourth proportional to 13,996.04, 20,994.26 and 3,607.79 is: 5,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.04 : 20,994.26 = 3,607.79 : x
  2. Step 2: Convert to fraction form
    13,996.04/20,994.26 = 3,607.79/x
  3. Step 3: Cross multiply
    13,996.04x = 20,994.26 × 3,607.79
  4. Step 4: Simplify right side
    13,996.04x = 75,742,758.28
  5. Step 5: Solve for x
    x = 75,742,758.28/13,996.04
  6. Step 6: Final answer
    x = 5,411.73

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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.