Home / 13,606.18-20,406.90-3,743.12

Finding the Fourth Proportional to 13,606.18, 20,406.90 and 3,743.12

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Solution

The fourth proportional to 13,606.18, 20,406.90 and 3,743.12 is: 5,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.18 : 20,406.90 = 3,743.12 : x
  2. Step 2: Convert to fraction form
    13,606.18/20,406.90 = 3,743.12/x
  3. Step 3: Cross multiply
    13,606.18x = 20,406.90 × 3,743.12
  4. Step 4: Simplify right side
    13,606.18x = 76,385,475.53
  5. Step 5: Solve for x
    x = 76,385,475.53/13,606.18
  6. Step 6: Final answer
    x = 5,614.03

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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.