Home / 11,250.12-16,877.88-3,854.64

Finding the Fourth Proportional to 11,250.12, 16,877.88 and 3,854.64

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Solution

The fourth proportional to 11,250.12, 16,877.88 and 3,854.64 is: 5,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.12 : 16,877.88 = 3,854.64 : x
  2. Step 2: Convert to fraction form
    11,250.12/16,877.88 = 3,854.64/x
  3. Step 3: Cross multiply
    11,250.12x = 16,877.88 × 3,854.64
  4. Step 4: Simplify right side
    11,250.12x = 65,058,151.36
  5. Step 5: Solve for x
    x = 65,058,151.36/11,250.12
  6. Step 6: Final answer
    x = 5,782.89

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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.