Home / 13,537.92-20,319.17-9,404.49

Finding the Fourth Proportional to 13,537.92, 20,319.17 and 9,404.49

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Solution

The fourth proportional to 13,537.92, 20,319.17 and 9,404.49 is: 14,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.92 : 20,319.17 = 9,404.49 : x
  2. Step 2: Convert to fraction form
    13,537.92/20,319.17 = 9,404.49/x
  3. Step 3: Cross multiply
    13,537.92x = 20,319.17 × 9,404.49
  4. Step 4: Simplify right side
    13,537.92x = 191,091,431.07
  5. Step 5: Solve for x
    x = 191,091,431.07/13,537.92
  6. Step 6: Final answer
    x = 14,115.27

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1.5x scale

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.