Home / 14,205.87-21,311.85-4,345.88

Finding the Fourth Proportional to 14,205.87, 21,311.85 and 4,345.88

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Solution

The fourth proportional to 14,205.87, 21,311.85 and 4,345.88 is: 6,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.87 : 21,311.85 = 4,345.88 : x
  2. Step 2: Convert to fraction form
    14,205.87/21,311.85 = 4,345.88/x
  3. Step 3: Cross multiply
    14,205.87x = 21,311.85 × 4,345.88
  4. Step 4: Simplify right side
    14,205.87x = 92,618,742.68
  5. Step 5: Solve for x
    x = 92,618,742.68/14,205.87
  6. Step 6: Final answer
    x = 6,519.75

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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.