Home / 19,428.48-29,157.96-13,546.80

Finding the Fourth Proportional to 19,428.48, 29,157.96 and 13,546.80

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Solution

The fourth proportional to 19,428.48, 29,157.96 and 13,546.80 is: 20,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.48 : 29,157.96 = 13,546.80 : x
  2. Step 2: Convert to fraction form
    19,428.48/29,157.96 = 13,546.80/x
  3. Step 3: Cross multiply
    19,428.48x = 29,157.96 × 13,546.80
  4. Step 4: Simplify right side
    19,428.48x = 394,997,052.53
  5. Step 5: Solve for x
    x = 394,997,052.53/19,428.48
  6. Step 6: Final answer
    x = 20,330.83

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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.