Home / 19,659.42-29,465.76-13,704.12

Finding the Fourth Proportional to 19,659.42, 29,465.76 and 13,704.12

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Solution

The fourth proportional to 19,659.42, 29,465.76 and 13,704.12 is: 20,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.42 : 29,465.76 = 13,704.12 : x
  2. Step 2: Convert to fraction form
    19,659.42/29,465.76 = 13,704.12/x
  3. Step 3: Cross multiply
    19,659.42x = 29,465.76 × 13,704.12
  4. Step 4: Simplify right side
    19,659.42x = 403,802,310.93
  5. Step 5: Solve for x
    x = 403,802,310.93/19,659.42
  6. Step 6: Final answer
    x = 20,539.89

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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.