Home / 21,496.88-29,665.56-12,065.44

Finding the Fourth Proportional to 21,496.88, 29,665.56 and 12,065.44

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Solution

The fourth proportional to 21,496.88, 29,665.56 and 12,065.44 is: 16,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.88 : 29,665.56 = 12,065.44 : x
  2. Step 2: Convert to fraction form
    21,496.88/29,665.56 = 12,065.44/x
  3. Step 3: Cross multiply
    21,496.88x = 29,665.56 × 12,065.44
  4. Step 4: Simplify right side
    21,496.88x = 357,928,034.25
  5. Step 5: Solve for x
    x = 357,928,034.25/21,496.88
  6. Step 6: Final answer
    x = 16,650.23

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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.