Home / 11,148.45-16,704.45-9,508.20

Finding the Fourth Proportional to 11,148.45, 16,704.45 and 9,508.20

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Solution

The fourth proportional to 11,148.45, 16,704.45 and 9,508.20 is: 14,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.45 : 16,704.45 = 9,508.20 : x
  2. Step 2: Convert to fraction form
    11,148.45/16,704.45 = 9,508.20/x
  3. Step 3: Cross multiply
    11,148.45x = 16,704.45 × 9,508.20
  4. Step 4: Simplify right side
    11,148.45x = 158,829,251.49
  5. Step 5: Solve for x
    x = 158,829,251.49/11,148.45
  6. Step 6: Final answer
    x = 14,246.76

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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.