Home / 11,353.10-17,025.60-4,686.80

Finding the Fourth Proportional to 11,353.10, 17,025.60 and 4,686.80

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Solution

The fourth proportional to 11,353.10, 17,025.60 and 4,686.80 is: 7,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.10 : 17,025.60 = 4,686.80 : x
  2. Step 2: Convert to fraction form
    11,353.10/17,025.60 = 4,686.80/x
  3. Step 3: Cross multiply
    11,353.10x = 17,025.60 × 4,686.80
  4. Step 4: Simplify right side
    11,353.10x = 79,795,582.08
  5. Step 5: Solve for x
    x = 79,795,582.08/11,353.10
  6. Step 6: Final answer
    x = 7,028.53

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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.