Home / 11,364.92-15,683.84-6,329.47

Finding the Fourth Proportional to 11,364.92, 15,683.84 and 6,329.47

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Solution

The fourth proportional to 11,364.92, 15,683.84 and 6,329.47 is: 8,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.92 : 15,683.84 = 6,329.47 : x
  2. Step 2: Convert to fraction form
    11,364.92/15,683.84 = 6,329.47/x
  3. Step 3: Cross multiply
    11,364.92x = 15,683.84 × 6,329.47
  4. Step 4: Simplify right side
    11,364.92x = 99,270,371.38
  5. Step 5: Solve for x
    x = 99,270,371.38/11,364.92
  6. Step 6: Final answer
    x = 8,734.81

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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.