Home / 12,763.66-19,145.34-4,443.64

Finding the Fourth Proportional to 12,763.66, 19,145.34 and 4,443.64

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Solution

The fourth proportional to 12,763.66, 19,145.34 and 4,443.64 is: 6,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.66 : 19,145.34 = 4,443.64 : x
  2. Step 2: Convert to fraction form
    12,763.66/19,145.34 = 4,443.64/x
  3. Step 3: Cross multiply
    12,763.66x = 19,145.34 × 4,443.64
  4. Step 4: Simplify right side
    12,763.66x = 85,074,998.64
  5. Step 5: Solve for x
    x = 85,074,998.64/12,763.66
  6. Step 6: Final answer
    x = 6,665.41

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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.