Home / 13,336.38-20,002.62-5,442.30

Finding the Fourth Proportional to 13,336.38, 20,002.62 and 5,442.30

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Solution

The fourth proportional to 13,336.38, 20,002.62 and 5,442.30 is: 8,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.38 : 20,002.62 = 5,442.30 : x
  2. Step 2: Convert to fraction form
    13,336.38/20,002.62 = 5,442.30/x
  3. Step 3: Cross multiply
    13,336.38x = 20,002.62 × 5,442.30
  4. Step 4: Simplify right side
    13,336.38x = 108,860,258.83
  5. Step 5: Solve for x
    x = 108,860,258.83/13,336.38
  6. Step 6: Final answer
    x = 8,162.65

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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.