Home / 21,112.44-29,134.98-12,614.10

Finding the Fourth Proportional to 21,112.44, 29,134.98 and 12,614.10

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Solution

The fourth proportional to 21,112.44, 29,134.98 and 12,614.10 is: 17,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,112.44 : 29,134.98 = 12,614.10 : x
  2. Step 2: Convert to fraction form
    21,112.44/29,134.98 = 12,614.10/x
  3. Step 3: Cross multiply
    21,112.44x = 29,134.98 × 12,614.10
  4. Step 4: Simplify right side
    21,112.44x = 367,511,551.22
  5. Step 5: Solve for x
    x = 367,511,551.22/21,112.44
  6. Step 6: Final answer
    x = 17,407.35

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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.