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Finding the Fourth Proportional to 10,257, 14,151.42 and 6,276.12

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Solution

The fourth proportional to 10,257, 14,151.42 and 6,276.12 is: 8,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257 : 14,151.42 = 6,276.12 : x
  2. Step 2: Convert to fraction form
    10,257/14,151.42 = 6,276.12/x
  3. Step 3: Cross multiply
    10,257x = 14,151.42 × 6,276.12
  4. Step 4: Simplify right side
    10,257x = 88,816,010.09
  5. Step 5: Solve for x
    x = 88,816,010.09/10,257
  6. Step 6: Final answer
    x = 8,659.06

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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.