Home / 11,689.54-17,534.45-3,898.35

Finding the Fourth Proportional to 11,689.54, 17,534.45 and 3,898.35

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Solution

The fourth proportional to 11,689.54, 17,534.45 and 3,898.35 is: 5,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.54 : 17,534.45 = 3,898.35 : x
  2. Step 2: Convert to fraction form
    11,689.54/17,534.45 = 3,898.35/x
  3. Step 3: Cross multiply
    11,689.54x = 17,534.45 × 3,898.35
  4. Step 4: Simplify right side
    11,689.54x = 68,355,423.16
  5. Step 5: Solve for x
    x = 68,355,423.16/11,689.54
  6. Step 6: Final answer
    x = 5,847.57

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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.