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Finding the Fourth Proportional to 43,350, 65,025 and 10,518

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Solution

The fourth proportional to 43,350, 65,025 and 10,518 is: 15,777

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350 : 65,025 = 10,518 : x
  2. Step 2: Convert to fraction form
    43,350/65,025 = 10,518/x
  3. Step 3: Cross multiply
    43,350x = 65,025 × 10,518
  4. Step 4: Simplify right side
    43,350x = 683,932,950
  5. Step 5: Solve for x
    x = 683,932,950/43,350
  6. Step 6: Final answer
    x = 15,777

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.