Home / 10,817.28-16,225.92-3,891.60

Finding the Fourth Proportional to 10,817.28, 16,225.92 and 3,891.60

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Solution

The fourth proportional to 10,817.28, 16,225.92 and 3,891.60 is: 5,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.28 : 16,225.92 = 3,891.60 : x
  2. Step 2: Convert to fraction form
    10,817.28/16,225.92 = 3,891.60/x
  3. Step 3: Cross multiply
    10,817.28x = 16,225.92 × 3,891.60
  4. Step 4: Simplify right side
    10,817.28x = 63,144,790.27
  5. Step 5: Solve for x
    x = 63,144,790.27/10,817.28
  6. Step 6: Final answer
    x = 5,837.40

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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.