Home / 11,276.30-16,913.95-3,880.80

Finding the Fourth Proportional to 11,276.30, 16,913.95 and 3,880.80

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Solution

The fourth proportional to 11,276.30, 16,913.95 and 3,880.80 is: 5,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.30 : 16,913.95 = 3,880.80 : x
  2. Step 2: Convert to fraction form
    11,276.30/16,913.95 = 3,880.80/x
  3. Step 3: Cross multiply
    11,276.30x = 16,913.95 × 3,880.80
  4. Step 4: Simplify right side
    11,276.30x = 65,639,647.46
  5. Step 5: Solve for x
    x = 65,639,647.46/11,276.30
  6. Step 6: Final answer
    x = 5,821.03

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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.