Home / 19,734.86-29,569.48-13,879.17

Finding the Fourth Proportional to 19,734.86, 29,569.48 and 13,879.17

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Solution

The fourth proportional to 19,734.86, 29,569.48 and 13,879.17 is: 20,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.86 : 29,569.48 = 13,879.17 : x
  2. Step 2: Convert to fraction form
    19,734.86/29,569.48 = 13,879.17/x
  3. Step 3: Cross multiply
    19,734.86x = 29,569.48 × 13,879.17
  4. Step 4: Simplify right side
    19,734.86x = 410,399,805.03
  5. Step 5: Solve for x
    x = 410,399,805.03/19,734.86
  6. Step 6: Final answer
    x = 20,795.68

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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.