Home / 17,323.20-26,004.24-12,139.20

Finding the Fourth Proportional to 17,323.20, 26,004.24 and 12,139.20

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Solution

The fourth proportional to 17,323.20, 26,004.24 and 12,139.20 is: 18,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323.20 : 26,004.24 = 12,139.20 : x
  2. Step 2: Convert to fraction form
    17,323.20/26,004.24 = 12,139.20/x
  3. Step 3: Cross multiply
    17,323.20x = 26,004.24 × 12,139.20
  4. Step 4: Simplify right side
    17,323.20x = 315,670,670.21
  5. Step 5: Solve for x
    x = 315,670,670.21/17,323.20
  6. Step 6: Final answer
    x = 18,222.42

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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.