Home / 11,362.92-15,683.16-6,648.36

Finding the Fourth Proportional to 11,362.92, 15,683.16 and 6,648.36

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Solution

The fourth proportional to 11,362.92, 15,683.16 and 6,648.36 is: 9,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.92 : 15,683.16 = 6,648.36 : x
  2. Step 2: Convert to fraction form
    11,362.92/15,683.16 = 6,648.36/x
  3. Step 3: Cross multiply
    11,362.92x = 15,683.16 × 6,648.36
  4. Step 4: Simplify right side
    11,362.92x = 104,267,293.62
  5. Step 5: Solve for x
    x = 104,267,293.62/11,362.92
  6. Step 6: Final answer
    x = 9,176.10

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Double scale
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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.