Home / 13,487.01-20,232.82-4,126.79

Finding the Fourth Proportional to 13,487.01, 20,232.82 and 4,126.79

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Solution

The fourth proportional to 13,487.01, 20,232.82 and 4,126.79 is: 6,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.01 : 20,232.82 = 4,126.79 : x
  2. Step 2: Convert to fraction form
    13,487.01/20,232.82 = 4,126.79/x
  3. Step 3: Cross multiply
    13,487.01x = 20,232.82 × 4,126.79
  4. Step 4: Simplify right side
    13,487.01x = 83,496,654.99
  5. Step 5: Solve for x
    x = 83,496,654.99/13,487.01
  6. Step 6: Final answer
    x = 6,190.90

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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.