Home / 13,646.33-20,469.53-4,158.73

Finding the Fourth Proportional to 13,646.33, 20,469.53 and 4,158.73

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Solution

The fourth proportional to 13,646.33, 20,469.53 and 4,158.73 is: 6,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.33 : 20,469.53 = 4,158.73 : x
  2. Step 2: Convert to fraction form
    13,646.33/20,469.53 = 4,158.73/x
  3. Step 3: Cross multiply
    13,646.33x = 20,469.53 × 4,158.73
  4. Step 4: Simplify right side
    13,646.33x = 85,127,248.50
  5. Step 5: Solve for x
    x = 85,127,248.50/13,646.33
  6. Step 6: Final answer
    x = 6,238.11

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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.