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Finding the Fourth Proportional to 14,826, 20,459.88 and 9,237

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Solution

The fourth proportional to 14,826, 20,459.88 and 9,237 is: 12,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826 : 20,459.88 = 9,237 : x
  2. Step 2: Convert to fraction form
    14,826/20,459.88 = 9,237/x
  3. Step 3: Cross multiply
    14,826x = 20,459.88 × 9,237
  4. Step 4: Simplify right side
    14,826x = 188,987,911.56
  5. Step 5: Solve for x
    x = 188,987,911.56/14,826
  6. Step 6: Final answer
    x = 12,747.06

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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.