Home / 16,218.08-22,360.48-13,230.88

Finding the Fourth Proportional to 16,218.08, 22,360.48 and 13,230.88

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Solution

The fourth proportional to 16,218.08, 22,360.48 and 13,230.88 is: 18,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.08 : 22,360.48 = 13,230.88 : x
  2. Step 2: Convert to fraction form
    16,218.08/22,360.48 = 13,230.88/x
  3. Step 3: Cross multiply
    16,218.08x = 22,360.48 × 13,230.88
  4. Step 4: Simplify right side
    16,218.08x = 295,848,827.62
  5. Step 5: Solve for x
    x = 295,848,827.62/16,218.08
  6. Step 6: Final answer
    x = 18,241.91

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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.