Home / 21,497.01-29,664.25-12,063.75

Finding the Fourth Proportional to 21,497.01, 29,664.25 and 12,063.75

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Solution

The fourth proportional to 21,497.01, 29,664.25 and 12,063.75 is: 16,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.01 : 29,664.25 = 12,063.75 : x
  2. Step 2: Convert to fraction form
    21,497.01/29,664.25 = 12,063.75/x
  3. Step 3: Cross multiply
    21,497.01x = 29,664.25 × 12,063.75
  4. Step 4: Simplify right side
    21,497.01x = 357,862,065.78
  5. Step 5: Solve for x
    x = 357,862,065.78/21,497.01
  6. Step 6: Final answer
    x = 16,647.06

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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.