Home / 14,427.60-19,910.22-8,054.79

Finding the Fourth Proportional to 14,427.60, 19,910.22 and 8,054.79

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Solution

The fourth proportional to 14,427.60, 19,910.22 and 8,054.79 is: 11,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.60 : 19,910.22 = 8,054.79 : x
  2. Step 2: Convert to fraction form
    14,427.60/19,910.22 = 8,054.79/x
  3. Step 3: Cross multiply
    14,427.60x = 19,910.22 × 8,054.79
  4. Step 4: Simplify right side
    14,427.60x = 160,372,640.95
  5. Step 5: Solve for x
    x = 160,372,640.95/14,427.60
  6. Step 6: Final answer
    x = 11,115.68

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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.