Home / 11,190.28-15,442.26-6,154.50

Finding the Fourth Proportional to 11,190.28, 15,442.26 and 6,154.50

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Solution

The fourth proportional to 11,190.28, 15,442.26 and 6,154.50 is: 8,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.28 : 15,442.26 = 6,154.50 : x
  2. Step 2: Convert to fraction form
    11,190.28/15,442.26 = 6,154.50/x
  3. Step 3: Cross multiply
    11,190.28x = 15,442.26 × 6,154.50
  4. Step 4: Simplify right side
    11,190.28x = 95,039,389.17
  5. Step 5: Solve for x
    x = 95,039,389.17/11,190.28
  6. Step 6: Final answer
    x = 8,493.03

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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.