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Finding the Fourth Proportional to 18,011, 24,858.06 and 10,559

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Solution

The fourth proportional to 18,011, 24,858.06 and 10,559 is: 14,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011 : 24,858.06 = 10,559 : x
  2. Step 2: Convert to fraction form
    18,011/24,858.06 = 10,559/x
  3. Step 3: Cross multiply
    18,011x = 24,858.06 × 10,559
  4. Step 4: Simplify right side
    18,011x = 262,476,255.54
  5. Step 5: Solve for x
    x = 262,476,255.54/18,011
  6. Step 6: Final answer
    x = 14,573.11

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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.