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Finding the Fourth Proportional to 18,296.17, 25,257.09 and 10,741.30

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Solution

The fourth proportional to 18,296.17, 25,257.09 and 10,741.30 is: 14,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.17 : 25,257.09 = 10,741.30 : x
  2. Step 2: Convert to fraction form
    18,296.17/25,257.09 = 10,741.30/x
  3. Step 3: Cross multiply
    18,296.17x = 25,257.09 × 10,741.30
  4. Step 4: Simplify right side
    18,296.17x = 271,293,980.82
  5. Step 5: Solve for x
    x = 271,293,980.82/18,296.17
  6. Step 6: Final answer
    x = 14,827.91

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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.