Home / 19,723.84-27,218.10-10,771

Finding the Fourth Proportional to 19,723.84, 27,218.10 and 10,771

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Solution

The fourth proportional to 19,723.84, 27,218.10 and 10,771 is: 14,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.84 : 27,218.10 = 10,771 : x
  2. Step 2: Convert to fraction form
    19,723.84/27,218.10 = 10,771/x
  3. Step 3: Cross multiply
    19,723.84x = 27,218.10 × 10,771
  4. Step 4: Simplify right side
    19,723.84x = 293,166,155.10
  5. Step 5: Solve for x
    x = 293,166,155.10/19,723.84
  6. Step 6: Final answer
    x = 14,863.54

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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.