Home / 11,362.92-15,678.44-6,646.29

Finding the Fourth Proportional to 11,362.92, 15,678.44 and 6,646.29

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Solution

The fourth proportional to 11,362.92, 15,678.44 and 6,646.29 is: 9,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.92 : 15,678.44 = 6,646.29 : x
  2. Step 2: Convert to fraction form
    11,362.92/15,678.44 = 6,646.29/x
  3. Step 3: Cross multiply
    11,362.92x = 15,678.44 × 6,646.29
  4. Step 4: Simplify right side
    11,362.92x = 104,203,425.76
  5. Step 5: Solve for x
    x = 104,203,425.76/11,362.92
  6. Step 6: Final answer
    x = 9,170.48

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Similar ratio
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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.