Home / 10,961.64-16,435.92-4,390.92

Finding the Fourth Proportional to 10,961.64, 16,435.92 and 4,390.92

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Solution

The fourth proportional to 10,961.64, 16,435.92 and 4,390.92 is: 6,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.64 : 16,435.92 = 4,390.92 : x
  2. Step 2: Convert to fraction form
    10,961.64/16,435.92 = 4,390.92/x
  3. Step 3: Cross multiply
    10,961.64x = 16,435.92 × 4,390.92
  4. Step 4: Simplify right side
    10,961.64x = 72,168,809.85
  5. Step 5: Solve for x
    x = 72,168,809.85/10,961.64
  6. Step 6: Final answer
    x = 6,583.76

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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.