Home / 17,479.23-26,192.92-12,839.55

Finding the Fourth Proportional to 17,479.23, 26,192.92 and 12,839.55

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Solution

The fourth proportional to 17,479.23, 26,192.92 and 12,839.55 is: 19,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.23 : 26,192.92 = 12,839.55 : x
  2. Step 2: Convert to fraction form
    17,479.23/26,192.92 = 12,839.55/x
  3. Step 3: Cross multiply
    17,479.23x = 26,192.92 × 12,839.55
  4. Step 4: Simplify right side
    17,479.23x = 336,305,305.99
  5. Step 5: Solve for x
    x = 336,305,305.99/17,479.23
  6. Step 6: Final answer
    x = 19,240.28

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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.