Home / 11,529.60-17,288.20-3,630.64

Finding the Fourth Proportional to 11,529.60, 17,288.20 and 3,630.64

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Solution

The fourth proportional to 11,529.60, 17,288.20 and 3,630.64 is: 5,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.60 : 17,288.20 = 3,630.64 : x
  2. Step 2: Convert to fraction form
    11,529.60/17,288.20 = 3,630.64/x
  3. Step 3: Cross multiply
    11,529.60x = 17,288.20 × 3,630.64
  4. Step 4: Simplify right side
    11,529.60x = 62,767,230.45
  5. Step 5: Solve for x
    x = 62,767,230.45/11,529.60
  6. Step 6: Final answer
    x = 5,444.01

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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.