Home / 11,263.76-16,880.96-8,154.24

Finding the Fourth Proportional to 11,263.76, 16,880.96 and 8,154.24

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Solution

The fourth proportional to 11,263.76, 16,880.96 and 8,154.24 is: 12,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.76 : 16,880.96 = 8,154.24 : x
  2. Step 2: Convert to fraction form
    11,263.76/16,880.96 = 8,154.24/x
  3. Step 3: Cross multiply
    11,263.76x = 16,880.96 × 8,154.24
  4. Step 4: Simplify right side
    11,263.76x = 137,651,399.27
  5. Step 5: Solve for x
    x = 137,651,399.27/11,263.76
  6. Step 6: Final answer
    x = 12,220.73

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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.