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Finding the Fourth Proportional to 10,554, 15,831 and 4,398

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Solution

The fourth proportional to 10,554, 15,831 and 4,398 is: 6,597

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554 : 15,831 = 4,398 : x
  2. Step 2: Convert to fraction form
    10,554/15,831 = 4,398/x
  3. Step 3: Cross multiply
    10,554x = 15,831 × 4,398
  4. Step 4: Simplify right side
    10,554x = 69,624,738
  5. Step 5: Solve for x
    x = 69,624,738/10,554
  6. Step 6: Final answer
    x = 6,597

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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.