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Finding the Fourth Proportional to 43,570, 65,355 and 10,738

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Solution

The fourth proportional to 43,570, 65,355 and 10,738 is: 16,107

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570 : 65,355 = 10,738 : x
  2. Step 2: Convert to fraction form
    43,570/65,355 = 10,738/x
  3. Step 3: Cross multiply
    43,570x = 65,355 × 10,738
  4. Step 4: Simplify right side
    43,570x = 701,781,990
  5. Step 5: Solve for x
    x = 701,781,990/43,570
  6. Step 6: Final answer
    x = 16,107

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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.