Home / 11,025-15,214.68-6,311.88

Finding the Fourth Proportional to 11,025, 15,214.68 and 6,311.88

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Solution

The fourth proportional to 11,025, 15,214.68 and 6,311.88 is: 8,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025 : 15,214.68 = 6,311.88 : x
  2. Step 2: Convert to fraction form
    11,025/15,214.68 = 6,311.88/x
  3. Step 3: Cross multiply
    11,025x = 15,214.68 × 6,311.88
  4. Step 4: Simplify right side
    11,025x = 96,033,234.40
  5. Step 5: Solve for x
    x = 96,033,234.40/11,025
  6. Step 6: Final answer
    x = 8,710.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.