Home / 13,537.97-20,286.01-9,386.09

Finding the Fourth Proportional to 13,537.97, 20,286.01 and 9,386.09

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Solution

The fourth proportional to 13,537.97, 20,286.01 and 9,386.09 is: 14,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.97 : 20,286.01 = 9,386.09 : x
  2. Step 2: Convert to fraction form
    13,537.97/20,286.01 = 9,386.09/x
  3. Step 3: Cross multiply
    13,537.97x = 20,286.01 × 9,386.09
  4. Step 4: Simplify right side
    13,537.97x = 190,406,315.60
  5. Step 5: Solve for x
    x = 190,406,315.60/13,537.97
  6. Step 6: Final answer
    x = 14,064.61

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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.