Home / 19,212.75-26,515.86-10,716.21

Finding the Fourth Proportional to 19,212.75, 26,515.86 and 10,716.21

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Solution

The fourth proportional to 19,212.75, 26,515.86 and 10,716.21 is: 14,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.75 : 26,515.86 = 10,716.21 : x
  2. Step 2: Convert to fraction form
    19,212.75/26,515.86 = 10,716.21/x
  3. Step 3: Cross multiply
    19,212.75x = 26,515.86 × 10,716.21
  4. Step 4: Simplify right side
    19,212.75x = 284,149,337.93
  5. Step 5: Solve for x
    x = 284,149,337.93/19,212.75
  6. Step 6: Final answer
    x = 14,789.63

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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.