Home / 20,449.97-30,625.73-13,856.16

Finding the Fourth Proportional to 20,449.97, 30,625.73 and 13,856.16

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Solution

The fourth proportional to 20,449.97, 30,625.73 and 13,856.16 is: 20,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.97 : 30,625.73 = 13,856.16 : x
  2. Step 2: Convert to fraction form
    20,449.97/30,625.73 = 13,856.16/x
  3. Step 3: Cross multiply
    20,449.97x = 30,625.73 × 13,856.16
  4. Step 4: Simplify right side
    20,449.97x = 424,354,945.72
  5. Step 5: Solve for x
    x = 424,354,945.72/20,449.97
  6. Step 6: Final answer
    x = 20,750.89

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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.