Home / 14,428.52-19,910.26-8,054.63

Finding the Fourth Proportional to 14,428.52, 19,910.26 and 8,054.63

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Solution

The fourth proportional to 14,428.52, 19,910.26 and 8,054.63 is: 11,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.52 : 19,910.26 = 8,054.63 : x
  2. Step 2: Convert to fraction form
    14,428.52/19,910.26 = 8,054.63/x
  3. Step 3: Cross multiply
    14,428.52x = 19,910.26 × 8,054.63
  4. Step 4: Simplify right side
    14,428.52x = 160,369,777.50
  5. Step 5: Solve for x
    x = 160,369,777.50/14,428.52
  6. Step 6: Final answer
    x = 11,114.78

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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.