Home / 13,676.32-18,954.13-13,468.96

Finding the Fourth Proportional to 13,676.32, 18,954.13 and 13,468.96

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Solution

The fourth proportional to 13,676.32, 18,954.13 and 13,468.96 is: 18,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.32 : 18,954.13 = 13,468.96 : x
  2. Step 2: Convert to fraction form
    13,676.32/18,954.13 = 13,468.96/x
  3. Step 3: Cross multiply
    13,676.32x = 18,954.13 × 13,468.96
  4. Step 4: Simplify right side
    13,676.32x = 255,292,418.80
  5. Step 5: Solve for x
    x = 255,292,418.80/13,676.32
  6. Step 6: Final answer
    x = 18,666.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.