Home / 11,364.09-15,682.46-6,329.28

Finding the Fourth Proportional to 11,364.09, 15,682.46 and 6,329.28

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Solution

The fourth proportional to 11,364.09, 15,682.46 and 6,329.28 is: 8,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.09 : 15,682.46 = 6,329.28 : x
  2. Step 2: Convert to fraction form
    11,364.09/15,682.46 = 6,329.28/x
  3. Step 3: Cross multiply
    11,364.09x = 15,682.46 × 6,329.28
  4. Step 4: Simplify right side
    11,364.09x = 99,258,570.37
  5. Step 5: Solve for x
    x = 99,258,570.37/11,364.09
  6. Step 6: Final answer
    x = 8,734.41

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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.