Home / 19,454.48-29,196.32-13,831.44

Finding the Fourth Proportional to 19,454.48, 29,196.32 and 13,831.44

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Solution

The fourth proportional to 19,454.48, 29,196.32 and 13,831.44 is: 20,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.48 : 29,196.32 = 13,831.44 : x
  2. Step 2: Convert to fraction form
    19,454.48/29,196.32 = 13,831.44/x
  3. Step 3: Cross multiply
    19,454.48x = 29,196.32 × 13,831.44
  4. Step 4: Simplify right side
    19,454.48x = 403,827,148.30
  5. Step 5: Solve for x
    x = 403,827,148.30/19,454.48
  6. Step 6: Final answer
    x = 20,757.54

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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.