Home / 12,585.32-17,367.62-6,919.88

Finding the Fourth Proportional to 12,585.32, 17,367.62 and 6,919.88

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Solution

The fourth proportional to 12,585.32, 17,367.62 and 6,919.88 is: 9,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.32 : 17,367.62 = 6,919.88 : x
  2. Step 2: Convert to fraction form
    12,585.32/17,367.62 = 6,919.88/x
  3. Step 3: Cross multiply
    12,585.32x = 17,367.62 × 6,919.88
  4. Step 4: Simplify right side
    12,585.32x = 120,181,846.29
  5. Step 5: Solve for x
    x = 120,181,846.29/12,585.32
  6. Step 6: Final answer
    x = 9,549.37

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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.