Home / 11,157.45-15,399.84-6,683.82

Finding the Fourth Proportional to 11,157.45, 15,399.84 and 6,683.82

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Solution

The fourth proportional to 11,157.45, 15,399.84 and 6,683.82 is: 9,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.45 : 15,399.84 = 6,683.82 : x
  2. Step 2: Convert to fraction form
    11,157.45/15,399.84 = 6,683.82/x
  3. Step 3: Cross multiply
    11,157.45x = 15,399.84 × 6,683.82
  4. Step 4: Simplify right side
    11,157.45x = 102,929,758.59
  5. Step 5: Solve for x
    x = 102,929,758.59/11,157.45
  6. Step 6: Final answer
    x = 9,225.20

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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.