Home / 12,348.10-18,516.75-3,582.82

Finding the Fourth Proportional to 12,348.10, 18,516.75 and 3,582.82

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Solution

The fourth proportional to 12,348.10, 18,516.75 and 3,582.82 is: 5,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.10 : 18,516.75 = 3,582.82 : x
  2. Step 2: Convert to fraction form
    12,348.10/18,516.75 = 3,582.82/x
  3. Step 3: Cross multiply
    12,348.10x = 18,516.75 × 3,582.82
  4. Step 4: Simplify right side
    12,348.10x = 66,342,182.24
  5. Step 5: Solve for x
    x = 66,342,182.24/12,348.10
  6. Step 6: Final answer
    x = 5,372.66

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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.