Home / 14,183.58-21,288.52-7,168.55

Finding the Fourth Proportional to 14,183.58, 21,288.52 and 7,168.55

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Solution

The fourth proportional to 14,183.58, 21,288.52 and 7,168.55 is: 10,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.58 : 21,288.52 = 7,168.55 : x
  2. Step 2: Convert to fraction form
    14,183.58/21,288.52 = 7,168.55/x
  3. Step 3: Cross multiply
    14,183.58x = 21,288.52 × 7,168.55
  4. Step 4: Simplify right side
    14,183.58x = 152,607,842.31
  5. Step 5: Solve for x
    x = 152,607,842.31/14,183.58
  6. Step 6: Final answer
    x = 10,759.47

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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.