Home / 19,723.25-27,218.73-10,771.28

Finding the Fourth Proportional to 19,723.25, 27,218.73 and 10,771.28

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Solution

The fourth proportional to 19,723.25, 27,218.73 and 10,771.28 is: 14,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.25 : 27,218.73 = 10,771.28 : x
  2. Step 2: Convert to fraction form
    19,723.25/27,218.73 = 10,771.28/x
  3. Step 3: Cross multiply
    19,723.25x = 27,218.73 × 10,771.28
  4. Step 4: Simplify right side
    19,723.25x = 293,180,568.44
  5. Step 5: Solve for x
    x = 293,180,568.44/19,723.25
  6. Step 6: Final answer
    x = 14,864.72

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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.