Home / 17,243.90-25,865.66-12,157.14

Finding the Fourth Proportional to 17,243.90, 25,865.66 and 12,157.14

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Solution

The fourth proportional to 17,243.90, 25,865.66 and 12,157.14 is: 18,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.90 : 25,865.66 = 12,157.14 : x
  2. Step 2: Convert to fraction form
    17,243.90/25,865.66 = 12,157.14/x
  3. Step 3: Cross multiply
    17,243.90x = 25,865.66 × 12,157.14
  4. Step 4: Simplify right side
    17,243.90x = 314,452,389.03
  5. Step 5: Solve for x
    x = 314,452,389.03/17,243.90
  6. Step 6: Final answer
    x = 18,235.58

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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.