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Finding the Fourth Proportional to 14,231.34, 19,640.03 and 8,264.88

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Solution

The fourth proportional to 14,231.34, 19,640.03 and 8,264.88 is: 11,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.34 : 19,640.03 = 8,264.88 : x
  2. Step 2: Convert to fraction form
    14,231.34/19,640.03 = 8,264.88/x
  3. Step 3: Cross multiply
    14,231.34x = 19,640.03 × 8,264.88
  4. Step 4: Simplify right side
    14,231.34x = 162,322,449.82
  5. Step 5: Solve for x
    x = 162,322,449.82/14,231.34
  6. Step 6: Final answer
    x = 11,405.98

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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.