Home / 11,353.20-17,025.42-5,428.50

Finding the Fourth Proportional to 11,353.20, 17,025.42 and 5,428.50

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Solution

The fourth proportional to 11,353.20, 17,025.42 and 5,428.50 is: 8,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.20 : 17,025.42 = 5,428.50 : x
  2. Step 2: Convert to fraction form
    11,353.20/17,025.42 = 5,428.50/x
  3. Step 3: Cross multiply
    11,353.20x = 17,025.42 × 5,428.50
  4. Step 4: Simplify right side
    11,353.20x = 92,422,492.47
  5. Step 5: Solve for x
    x = 92,422,492.47/11,353.20
  6. Step 6: Final answer
    x = 8,140.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.