Home / 11,364.92-15,683.54-6,329.20

Finding the Fourth Proportional to 11,364.92, 15,683.54 and 6,329.20

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Solution

The fourth proportional to 11,364.92, 15,683.54 and 6,329.20 is: 8,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.92 : 15,683.54 = 6,329.20 : x
  2. Step 2: Convert to fraction form
    11,364.92/15,683.54 = 6,329.20/x
  3. Step 3: Cross multiply
    11,364.92x = 15,683.54 × 6,329.20
  4. Step 4: Simplify right side
    11,364.92x = 99,264,190.51
  5. Step 5: Solve for x
    x = 99,264,190.51/11,364.92
  6. Step 6: Final answer
    x = 8,734.27

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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.