Home / 9,194.32-12,687.96-5,215.36

Finding the Fourth Proportional to 9,194.32, 12,687.96 and 5,215.36

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Solution

The fourth proportional to 9,194.32, 12,687.96 and 5,215.36 is: 7,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.32 : 12,687.96 = 5,215.36 : x
  2. Step 2: Convert to fraction form
    9,194.32/12,687.96 = 5,215.36/x
  3. Step 3: Cross multiply
    9,194.32x = 12,687.96 × 5,215.36
  4. Step 4: Simplify right side
    9,194.32x = 66,172,279.07
  5. Step 5: Solve for x
    x = 66,172,279.07/9,194.32
  6. Step 6: Final answer
    x = 7,197.08

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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.