Home / 13,871.04-20,796.96-5,106.24

Finding the Fourth Proportional to 13,871.04, 20,796.96 and 5,106.24

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Solution

The fourth proportional to 13,871.04, 20,796.96 and 5,106.24 is: 7,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.04 : 20,796.96 = 5,106.24 : x
  2. Step 2: Convert to fraction form
    13,871.04/20,796.96 = 5,106.24/x
  3. Step 3: Cross multiply
    13,871.04x = 20,796.96 × 5,106.24
  4. Step 4: Simplify right side
    13,871.04x = 106,194,269.03
  5. Step 5: Solve for x
    x = 106,194,269.03/13,871.04
  6. Step 6: Final answer
    x = 7,655.83

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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.