Home / 11,311.08-16,968.24-3,520.50

Finding the Fourth Proportional to 11,311.08, 16,968.24 and 3,520.50

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Solution

The fourth proportional to 11,311.08, 16,968.24 and 3,520.50 is: 5,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.08 : 16,968.24 = 3,520.50 : x
  2. Step 2: Convert to fraction form
    11,311.08/16,968.24 = 3,520.50/x
  3. Step 3: Cross multiply
    11,311.08x = 16,968.24 × 3,520.50
  4. Step 4: Simplify right side
    11,311.08x = 59,736,688.92
  5. Step 5: Solve for x
    x = 59,736,688.92/11,311.08
  6. Step 6: Final answer
    x = 5,281.25

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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.