Home / 19,722.15-29,557.31-9,336.87

Finding the Fourth Proportional to 19,722.15, 29,557.31 and 9,336.87

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Solution

The fourth proportional to 19,722.15, 29,557.31 and 9,336.87 is: 13,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.15 : 29,557.31 = 9,336.87 : x
  2. Step 2: Convert to fraction form
    19,722.15/29,557.31 = 9,336.87/x
  3. Step 3: Cross multiply
    19,722.15x = 29,557.31 × 9,336.87
  4. Step 4: Simplify right side
    19,722.15x = 275,972,714.34
  5. Step 5: Solve for x
    x = 275,972,714.34/19,722.15
  6. Step 6: Final answer
    x = 13,993.03

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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.