Home / 17,442.54-26,121.69-12,182.81

Finding the Fourth Proportional to 17,442.54, 26,121.69 and 12,182.81

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Solution

The fourth proportional to 17,442.54, 26,121.69 and 12,182.81 is: 18,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.54 : 26,121.69 = 12,182.81 : x
  2. Step 2: Convert to fraction form
    17,442.54/26,121.69 = 12,182.81/x
  3. Step 3: Cross multiply
    17,442.54x = 26,121.69 × 12,182.81
  4. Step 4: Simplify right side
    17,442.54x = 318,235,455.54
  5. Step 5: Solve for x
    x = 318,235,455.54/17,442.54
  6. Step 6: Final answer
    x = 18,244.79

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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.