Home / 19,723.61-27,218.81-10,771.22

Finding the Fourth Proportional to 19,723.61, 27,218.81 and 10,771.22

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Solution

The fourth proportional to 19,723.61, 27,218.81 and 10,771.22 is: 14,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.61 : 27,218.81 = 10,771.22 : x
  2. Step 2: Convert to fraction form
    19,723.61/27,218.81 = 10,771.22/x
  3. Step 3: Cross multiply
    19,723.61x = 27,218.81 × 10,771.22
  4. Step 4: Simplify right side
    19,723.61x = 293,179,790.65
  5. Step 5: Solve for x
    x = 293,179,790.65/19,723.61
  6. Step 6: Final answer
    x = 14,864.41

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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.