Home / 14,640.23-20,212.85-9,613.38

Finding the Fourth Proportional to 14,640.23, 20,212.85 and 9,613.38

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Solution

The fourth proportional to 14,640.23, 20,212.85 and 9,613.38 is: 13,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.23 : 20,212.85 = 9,613.38 : x
  2. Step 2: Convert to fraction form
    14,640.23/20,212.85 = 9,613.38/x
  3. Step 3: Cross multiply
    14,640.23x = 20,212.85 × 9,613.38
  4. Step 4: Simplify right side
    14,640.23x = 194,313,807.93
  5. Step 5: Solve for x
    x = 194,313,807.93/14,640.23
  6. Step 6: Final answer
    x = 13,272.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.