Home / 17,217.14-23,685.09-15,083.06

Finding the Fourth Proportional to 17,217.14, 23,685.09 and 15,083.06

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Solution

The fourth proportional to 17,217.14, 23,685.09 and 15,083.06 is: 20,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.14 : 23,685.09 = 15,083.06 : x
  2. Step 2: Convert to fraction form
    17,217.14/23,685.09 = 15,083.06/x
  3. Step 3: Cross multiply
    17,217.14x = 23,685.09 × 15,083.06
  4. Step 4: Simplify right side
    17,217.14x = 357,243,633.58
  5. Step 5: Solve for x
    x = 357,243,633.58/17,217.14
  6. Step 6: Final answer
    x = 20,749.30

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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.