Home / 17,668.05-24,403.55-13,211.63

Finding the Fourth Proportional to 17,668.05, 24,403.55 and 13,211.63

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Solution

The fourth proportional to 17,668.05, 24,403.55 and 13,211.63 is: 18,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.05 : 24,403.55 = 13,211.63 : x
  2. Step 2: Convert to fraction form
    17,668.05/24,403.55 = 13,211.63/x
  3. Step 3: Cross multiply
    17,668.05x = 24,403.55 × 13,211.63
  4. Step 4: Simplify right side
    17,668.05x = 322,410,576.72
  5. Step 5: Solve for x
    x = 322,410,576.72/17,668.05
  6. Step 6: Final answer
    x = 18,248.23

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1.5x scale

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.