Home / 19,716.40-27,208.20-10,763.56

Finding the Fourth Proportional to 19,716.40, 27,208.20 and 10,763.56

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Solution

The fourth proportional to 19,716.40, 27,208.20 and 10,763.56 is: 14,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.40 : 27,208.20 = 10,763.56 : x
  2. Step 2: Convert to fraction form
    19,716.40/27,208.20 = 10,763.56/x
  3. Step 3: Cross multiply
    19,716.40x = 27,208.20 × 10,763.56
  4. Step 4: Simplify right side
    19,716.40x = 292,857,093.19
  5. Step 5: Solve for x
    x = 292,857,093.19/19,716.40
  6. Step 6: Final answer
    x = 14,853.48

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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.