Home / 10,861.28-16,284.44-4,619.84

Finding the Fourth Proportional to 10,861.28, 16,284.44 and 4,619.84

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Solution

The fourth proportional to 10,861.28, 16,284.44 and 4,619.84 is: 6,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.28 : 16,284.44 = 4,619.84 : x
  2. Step 2: Convert to fraction form
    10,861.28/16,284.44 = 4,619.84/x
  3. Step 3: Cross multiply
    10,861.28x = 16,284.44 × 4,619.84
  4. Step 4: Simplify right side
    10,861.28x = 75,231,507.29
  5. Step 5: Solve for x
    x = 75,231,507.29/10,861.28
  6. Step 6: Final answer
    x = 6,926.58

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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.