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Finding the Fourth Proportional to 10,372, 15,558 and 3,076

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Solution

The fourth proportional to 10,372, 15,558 and 3,076 is: 4,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372 : 15,558 = 3,076 : x
  2. Step 2: Convert to fraction form
    10,372/15,558 = 3,076/x
  3. Step 3: Cross multiply
    10,372x = 15,558 × 3,076
  4. Step 4: Simplify right side
    10,372x = 47,856,408
  5. Step 5: Solve for x
    x = 47,856,408/10,372
  6. Step 6: Final answer
    x = 4,614

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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.