Home / 19,390.46-29,087.19-6,243.21

Finding the Fourth Proportional to 19,390.46, 29,087.19 and 6,243.21

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Solution

The fourth proportional to 19,390.46, 29,087.19 and 6,243.21 is: 9,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.46 : 29,087.19 = 6,243.21 : x
  2. Step 2: Convert to fraction form
    19,390.46/29,087.19 = 6,243.21/x
  3. Step 3: Cross multiply
    19,390.46x = 29,087.19 × 6,243.21
  4. Step 4: Simplify right side
    19,390.46x = 181,597,435.48
  5. Step 5: Solve for x
    x = 181,597,435.48/19,390.46
  6. Step 6: Final answer
    x = 9,365.30

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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.