Home / 11,194.96-15,443.04-6,943.36

Finding the Fourth Proportional to 11,194.96, 15,443.04 and 6,943.36

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Solution

The fourth proportional to 11,194.96, 15,443.04 and 6,943.36 is: 9,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.96 : 15,443.04 = 6,943.36 : x
  2. Step 2: Convert to fraction form
    11,194.96/15,443.04 = 6,943.36/x
  3. Step 3: Cross multiply
    11,194.96x = 15,443.04 × 6,943.36
  4. Step 4: Simplify right side
    11,194.96x = 107,226,586.21
  5. Step 5: Solve for x
    x = 107,226,586.21/11,194.96
  6. Step 6: Final answer
    x = 9,578.11

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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.