Home / 14,115.87-21,170.57-5,349.65

Finding the Fourth Proportional to 14,115.87, 21,170.57 and 5,349.65

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Solution

The fourth proportional to 14,115.87, 21,170.57 and 5,349.65 is: 8,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.87 : 21,170.57 = 5,349.65 : x
  2. Step 2: Convert to fraction form
    14,115.87/21,170.57 = 5,349.65/x
  3. Step 3: Cross multiply
    14,115.87x = 21,170.57 × 5,349.65
  4. Step 4: Simplify right side
    14,115.87x = 113,255,007.20
  5. Step 5: Solve for x
    x = 113,255,007.20/14,115.87
  6. Step 6: Final answer
    x = 8,023.24

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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.