Home / 17,783.66-26,676.12-13,631.24

Finding the Fourth Proportional to 17,783.66, 26,676.12 and 13,631.24

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Solution

The fourth proportional to 17,783.66, 26,676.12 and 13,631.24 is: 20,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.66 : 26,676.12 = 13,631.24 : x
  2. Step 2: Convert to fraction form
    17,783.66/26,676.12 = 13,631.24/x
  3. Step 3: Cross multiply
    17,783.66x = 26,676.12 × 13,631.24
  4. Step 4: Simplify right side
    17,783.66x = 363,628,593.99
  5. Step 5: Solve for x
    x = 363,628,593.99/17,783.66
  6. Step 6: Final answer
    x = 20,447.34

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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.