Home / 11,025.12-16,539.50-5,107.92

Finding the Fourth Proportional to 11,025.12, 16,539.50 and 5,107.92

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Solution

The fourth proportional to 11,025.12, 16,539.50 and 5,107.92 is: 7,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.12 : 16,539.50 = 5,107.92 : x
  2. Step 2: Convert to fraction form
    11,025.12/16,539.50 = 5,107.92/x
  3. Step 3: Cross multiply
    11,025.12x = 16,539.50 × 5,107.92
  4. Step 4: Simplify right side
    11,025.12x = 84,482,442.84
  5. Step 5: Solve for x
    x = 84,482,442.84/11,025.12
  6. Step 6: Final answer
    x = 7,662.72

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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.