Home / 19,255.46-26,571.71-12,089.12

Finding the Fourth Proportional to 19,255.46, 26,571.71 and 12,089.12

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Solution

The fourth proportional to 19,255.46, 26,571.71 and 12,089.12 is: 16,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.46 : 26,571.71 = 12,089.12 : x
  2. Step 2: Convert to fraction form
    19,255.46/26,571.71 = 12,089.12/x
  3. Step 3: Cross multiply
    19,255.46x = 26,571.71 × 12,089.12
  4. Step 4: Simplify right side
    19,255.46x = 321,228,488.16
  5. Step 5: Solve for x
    x = 321,228,488.16/19,255.46
  6. Step 6: Final answer
    x = 16,682.47

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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.