Home / 19,760.09-29,607.22-13,904.39

Finding the Fourth Proportional to 19,760.09, 29,607.22 and 13,904.39

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Solution

The fourth proportional to 19,760.09, 29,607.22 and 13,904.39 is: 20,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.09 : 29,607.22 = 13,904.39 : x
  2. Step 2: Convert to fraction form
    19,760.09/29,607.22 = 13,904.39/x
  3. Step 3: Cross multiply
    19,760.09x = 29,607.22 × 13,904.39
  4. Step 4: Simplify right side
    19,760.09x = 411,670,425.09
  5. Step 5: Solve for x
    x = 411,670,425.09/19,760.09
  6. Step 6: Final answer
    x = 20,833.43

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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.