Home / 11,189.79-15,442.34-6,154.25

Finding the Fourth Proportional to 11,189.79, 15,442.34 and 6,154.25

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Solution

The fourth proportional to 11,189.79, 15,442.34 and 6,154.25 is: 8,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.79 : 15,442.34 = 6,154.25 : x
  2. Step 2: Convert to fraction form
    11,189.79/15,442.34 = 6,154.25/x
  3. Step 3: Cross multiply
    11,189.79x = 15,442.34 × 6,154.25
  4. Step 4: Simplify right side
    11,189.79x = 95,035,912.96
  5. Step 5: Solve for x
    x = 95,035,912.96/11,189.79
  6. Step 6: Final answer
    x = 8,493.09

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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.