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Finding the Fourth Proportional to 18,909, 26,094.42 and 10,525.32

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Solution

The fourth proportional to 18,909, 26,094.42 and 10,525.32 is: 14,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909 : 26,094.42 = 10,525.32 : x
  2. Step 2: Convert to fraction form
    18,909/26,094.42 = 10,525.32/x
  3. Step 3: Cross multiply
    18,909x = 26,094.42 × 10,525.32
  4. Step 4: Simplify right side
    18,909x = 274,652,120.71
  5. Step 5: Solve for x
    x = 274,652,120.71/18,909
  6. Step 6: Final answer
    x = 14,524.94

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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.