Home / 17,911.85-26,830.83-10,493.81

Finding the Fourth Proportional to 17,911.85, 26,830.83 and 10,493.81

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Solution

The fourth proportional to 17,911.85, 26,830.83 and 10,493.81 is: 15,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.85 : 26,830.83 = 10,493.81 : x
  2. Step 2: Convert to fraction form
    17,911.85/26,830.83 = 10,493.81/x
  3. Step 3: Cross multiply
    17,911.85x = 26,830.83 × 10,493.81
  4. Step 4: Simplify right side
    17,911.85x = 281,557,498.01
  5. Step 5: Solve for x
    x = 281,557,498.01/17,911.85
  6. Step 6: Final answer
    x = 15,719.07

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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.