Home / 19,695.30-27,178.43-11,196.25

Finding the Fourth Proportional to 19,695.30, 27,178.43 and 11,196.25

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Solution

The fourth proportional to 19,695.30, 27,178.43 and 11,196.25 is: 15,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.30 : 27,178.43 = 11,196.25 : x
  2. Step 2: Convert to fraction form
    19,695.30/27,178.43 = 11,196.25/x
  3. Step 3: Cross multiply
    19,695.30x = 27,178.43 × 11,196.25
  4. Step 4: Simplify right side
    19,695.30x = 304,296,429.21
  5. Step 5: Solve for x
    x = 304,296,429.21/19,695.30
  6. Step 6: Final answer
    x = 15,450.20

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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.