Home / 13,507.38-20,261.05-3,646.64

Finding the Fourth Proportional to 13,507.38, 20,261.05 and 3,646.64

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Solution

The fourth proportional to 13,507.38, 20,261.05 and 3,646.64 is: 5,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.38 : 20,261.05 = 3,646.64 : x
  2. Step 2: Convert to fraction form
    13,507.38/20,261.05 = 3,646.64/x
  3. Step 3: Cross multiply
    13,507.38x = 20,261.05 × 3,646.64
  4. Step 4: Simplify right side
    13,507.38x = 73,884,796.91
  5. Step 5: Solve for x
    x = 73,884,796.91/13,507.38
  6. Step 6: Final answer
    x = 5,469.96

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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.