Home / 12,782.08-19,168.26-6,116.59

Finding the Fourth Proportional to 12,782.08, 19,168.26 and 6,116.59

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Solution

The fourth proportional to 12,782.08, 19,168.26 and 6,116.59 is: 9,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.08 : 19,168.26 = 6,116.59 : x
  2. Step 2: Convert to fraction form
    12,782.08/19,168.26 = 6,116.59/x
  3. Step 3: Cross multiply
    12,782.08x = 19,168.26 × 6,116.59
  4. Step 4: Simplify right side
    12,782.08x = 117,244,387.43
  5. Step 5: Solve for x
    x = 117,244,387.43/12,782.08
  6. Step 6: Final answer
    x = 9,172.56

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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.