Home / 11,190.45-15,442.75-6,154.58

Finding the Fourth Proportional to 11,190.45, 15,442.75 and 6,154.58

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Solution

The fourth proportional to 11,190.45, 15,442.75 and 6,154.58 is: 8,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.45 : 15,442.75 = 6,154.58 : x
  2. Step 2: Convert to fraction form
    11,190.45/15,442.75 = 6,154.58/x
  3. Step 3: Cross multiply
    11,190.45x = 15,442.75 × 6,154.58
  4. Step 4: Simplify right side
    11,190.45x = 95,043,686.60
  5. Step 5: Solve for x
    x = 95,043,686.60/11,190.45
  6. Step 6: Final answer
    x = 8,493.28

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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.