Home / 19,716.21-27,207.92-10,763.87

Finding the Fourth Proportional to 19,716.21, 27,207.92 and 10,763.87

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Solution

The fourth proportional to 19,716.21, 27,207.92 and 10,763.87 is: 14,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.21 : 27,207.92 = 10,763.87 : x
  2. Step 2: Convert to fraction form
    19,716.21/27,207.92 = 10,763.87/x
  3. Step 3: Cross multiply
    19,716.21x = 27,207.92 × 10,763.87
  4. Step 4: Simplify right side
    19,716.21x = 292,862,323.99
  5. Step 5: Solve for x
    x = 292,862,323.99/19,716.21
  6. Step 6: Final answer
    x = 14,853.89

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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.