Home / 19,481.15-26,884.77-10,983.59

Finding the Fourth Proportional to 19,481.15, 26,884.77 and 10,983.59

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Solution

The fourth proportional to 19,481.15, 26,884.77 and 10,983.59 is: 15,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.15 : 26,884.77 = 10,983.59 : x
  2. Step 2: Convert to fraction form
    19,481.15/26,884.77 = 10,983.59/x
  3. Step 3: Cross multiply
    19,481.15x = 26,884.77 × 10,983.59
  4. Step 4: Simplify right side
    19,481.15x = 295,291,290.92
  5. Step 5: Solve for x
    x = 295,291,290.92/19,481.15
  6. Step 6: Final answer
    x = 15,157.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.