Home / 12,786.32-19,167.08-6,549.27

Finding the Fourth Proportional to 12,786.32, 19,167.08 and 6,549.27

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Solution

The fourth proportional to 12,786.32, 19,167.08 and 6,549.27 is: 9,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.32 : 19,167.08 = 6,549.27 : x
  2. Step 2: Convert to fraction form
    12,786.32/19,167.08 = 6,549.27/x
  3. Step 3: Cross multiply
    12,786.32x = 19,167.08 × 6,549.27
  4. Step 4: Simplify right side
    12,786.32x = 125,530,349.29
  5. Step 5: Solve for x
    x = 125,530,349.29/12,786.32
  6. Step 6: Final answer
    x = 9,817.55

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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.