Home / 10,709.11-16,069.28-4,388.68

Finding the Fourth Proportional to 10,709.11, 16,069.28 and 4,388.68

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Solution

The fourth proportional to 10,709.11, 16,069.28 and 4,388.68 is: 6,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.11 : 16,069.28 = 4,388.68 : x
  2. Step 2: Convert to fraction form
    10,709.11/16,069.28 = 4,388.68/x
  3. Step 3: Cross multiply
    10,709.11x = 16,069.28 × 4,388.68
  4. Step 4: Simplify right side
    10,709.11x = 70,522,847.40
  5. Step 5: Solve for x
    x = 70,522,847.40/10,709.11
  6. Step 6: Final answer
    x = 6,585.32

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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.