Home / 12,529.64-18,794.30-3,764.18

Finding the Fourth Proportional to 12,529.64, 18,794.30 and 3,764.18

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Solution

The fourth proportional to 12,529.64, 18,794.30 and 3,764.18 is: 5,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.64 : 18,794.30 = 3,764.18 : x
  2. Step 2: Convert to fraction form
    12,529.64/18,794.30 = 3,764.18/x
  3. Step 3: Cross multiply
    12,529.64x = 18,794.30 × 3,764.18
  4. Step 4: Simplify right side
    12,529.64x = 70,745,128.17
  5. Step 5: Solve for x
    x = 70,745,128.17/12,529.64
  6. Step 6: Final answer
    x = 5,646.22

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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.