Home / 10,896.40-16,346.76-4,321.36

Finding the Fourth Proportional to 10,896.40, 16,346.76 and 4,321.36

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Solution

The fourth proportional to 10,896.40, 16,346.76 and 4,321.36 is: 6,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.40 : 16,346.76 = 4,321.36 : x
  2. Step 2: Convert to fraction form
    10,896.40/16,346.76 = 4,321.36/x
  3. Step 3: Cross multiply
    10,896.40x = 16,346.76 × 4,321.36
  4. Step 4: Simplify right side
    10,896.40x = 70,640,234.79
  5. Step 5: Solve for x
    x = 70,640,234.79/10,896.40
  6. Step 6: Final answer
    x = 6,482.90

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1.5x scale

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.