Home / 19,708.08-27,202.68-11,327.28

Finding the Fourth Proportional to 19,708.08, 27,202.68 and 11,327.28

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Solution

The fourth proportional to 19,708.08, 27,202.68 and 11,327.28 is: 15,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.08 : 27,202.68 = 11,327.28 : x
  2. Step 2: Convert to fraction form
    19,708.08/27,202.68 = 11,327.28/x
  3. Step 3: Cross multiply
    19,708.08x = 27,202.68 × 11,327.28
  4. Step 4: Simplify right side
    19,708.08x = 308,132,373.11
  5. Step 5: Solve for x
    x = 308,132,373.11/19,708.08
  6. Step 6: Final answer
    x = 15,634.82

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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.