Home / 19,642.12-27,103.08-11,257

Finding the Fourth Proportional to 19,642.12, 27,103.08 and 11,257

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Solution

The fourth proportional to 19,642.12, 27,103.08 and 11,257 is: 15,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.12 : 27,103.08 = 11,257 : x
  2. Step 2: Convert to fraction form
    19,642.12/27,103.08 = 11,257/x
  3. Step 3: Cross multiply
    19,642.12x = 27,103.08 × 11,257
  4. Step 4: Simplify right side
    19,642.12x = 305,099,371.56
  5. Step 5: Solve for x
    x = 305,099,371.56/19,642.12
  6. Step 6: Final answer
    x = 15,532.91

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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.