Home / 11,350.61-17,025.20-5,431.70

Finding the Fourth Proportional to 11,350.61, 17,025.20 and 5,431.70

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Solution

The fourth proportional to 11,350.61, 17,025.20 and 5,431.70 is: 8,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.61 : 17,025.20 = 5,431.70 : x
  2. Step 2: Convert to fraction form
    11,350.61/17,025.20 = 5,431.70/x
  3. Step 3: Cross multiply
    11,350.61x = 17,025.20 × 5,431.70
  4. Step 4: Simplify right side
    11,350.61x = 92,475,693.71
  5. Step 5: Solve for x
    x = 92,475,693.71/11,350.61
  6. Step 6: Final answer
    x = 8,147.20

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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.