Home / 19,454.96-29,185.32-7,142

Finding the Fourth Proportional to 19,454.96, 29,185.32 and 7,142

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Solution

The fourth proportional to 19,454.96, 29,185.32 and 7,142 is: 10,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.96 : 29,185.32 = 7,142 : x
  2. Step 2: Convert to fraction form
    19,454.96/29,185.32 = 7,142/x
  3. Step 3: Cross multiply
    19,454.96x = 29,185.32 × 7,142
  4. Step 4: Simplify right side
    19,454.96x = 208,441,555.44
  5. Step 5: Solve for x
    x = 208,441,555.44/19,454.96
  6. Step 6: Final answer
    x = 10,714.06

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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.