Home / 10,850.80-16,276.20-9,511.60

Finding the Fourth Proportional to 10,850.80, 16,276.20 and 9,511.60

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Solution

The fourth proportional to 10,850.80, 16,276.20 and 9,511.60 is: 14,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.80 : 16,276.20 = 9,511.60 : x
  2. Step 2: Convert to fraction form
    10,850.80/16,276.20 = 9,511.60/x
  3. Step 3: Cross multiply
    10,850.80x = 16,276.20 × 9,511.60
  4. Step 4: Simplify right side
    10,850.80x = 154,812,703.92
  5. Step 5: Solve for x
    x = 154,812,703.92/10,850.80
  6. Step 6: Final answer
    x = 14,267.40

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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.