Home / 19,839.94-29,767.66-8,738.82

Finding the Fourth Proportional to 19,839.94, 29,767.66 and 8,738.82

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Solution

The fourth proportional to 19,839.94, 29,767.66 and 8,738.82 is: 13,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.94 : 29,767.66 = 8,738.82 : x
  2. Step 2: Convert to fraction form
    19,839.94/29,767.66 = 8,738.82/x
  3. Step 3: Cross multiply
    19,839.94x = 29,767.66 × 8,738.82
  4. Step 4: Simplify right side
    19,839.94x = 260,134,222.56
  5. Step 5: Solve for x
    x = 260,134,222.56/19,839.94
  6. Step 6: Final answer
    x = 13,111.64

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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.