Home / 14,736.87-20,330.87-9,069.91

Finding the Fourth Proportional to 14,736.87, 20,330.87 and 9,069.91

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Solution

The fourth proportional to 14,736.87, 20,330.87 and 9,069.91 is: 12,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.87 : 20,330.87 = 9,069.91 : x
  2. Step 2: Convert to fraction form
    14,736.87/20,330.87 = 9,069.91/x
  3. Step 3: Cross multiply
    14,736.87x = 20,330.87 × 9,069.91
  4. Step 4: Simplify right side
    14,736.87x = 184,399,183.80
  5. Step 5: Solve for x
    x = 184,399,183.80/14,736.87
  6. Step 6: Final answer
    x = 12,512.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.