Home / 19,387.46-29,086.86-6,239.54

Finding the Fourth Proportional to 19,387.46, 29,086.86 and 6,239.54

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Solution

The fourth proportional to 19,387.46, 29,086.86 and 6,239.54 is: 9,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.46 : 29,086.86 = 6,239.54 : x
  2. Step 2: Convert to fraction form
    19,387.46/29,086.86 = 6,239.54/x
  3. Step 3: Cross multiply
    19,387.46x = 29,086.86 × 6,239.54
  4. Step 4: Simplify right side
    19,387.46x = 181,488,626.44
  5. Step 5: Solve for x
    x = 181,488,626.44/19,387.46
  6. Step 6: Final answer
    x = 9,361.13

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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.