Home / 19,723.89-27,219.04-10,771.43

Finding the Fourth Proportional to 19,723.89, 27,219.04 and 10,771.43

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Solution

The fourth proportional to 19,723.89, 27,219.04 and 10,771.43 is: 14,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.89 : 27,219.04 = 10,771.43 : x
  2. Step 2: Convert to fraction form
    19,723.89/27,219.04 = 10,771.43/x
  3. Step 3: Cross multiply
    19,723.89x = 27,219.04 × 10,771.43
  4. Step 4: Simplify right side
    19,723.89x = 293,187,974.11
  5. Step 5: Solve for x
    x = 293,187,974.11/19,723.89
  6. Step 6: Final answer
    x = 14,864.61

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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.