Home / 10,690.76-16,027.49-4,455.47

Finding the Fourth Proportional to 10,690.76, 16,027.49 and 4,455.47

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Solution

The fourth proportional to 10,690.76, 16,027.49 and 4,455.47 is: 6,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.76 : 16,027.49 = 4,455.47 : x
  2. Step 2: Convert to fraction form
    10,690.76/16,027.49 = 4,455.47/x
  3. Step 3: Cross multiply
    10,690.76x = 16,027.49 × 4,455.47
  4. Step 4: Simplify right side
    10,690.76x = 71,410,000.87
  5. Step 5: Solve for x
    x = 71,410,000.87/10,690.76
  6. Step 6: Final answer
    x = 6,679.60

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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.