Home / 21,617.52-29,832.48-12,057.12

Finding the Fourth Proportional to 21,617.52, 29,832.48 and 12,057.12

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Solution

The fourth proportional to 21,617.52, 29,832.48 and 12,057.12 is: 16,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.52 : 29,832.48 = 12,057.12 : x
  2. Step 2: Convert to fraction form
    21,617.52/29,832.48 = 12,057.12/x
  3. Step 3: Cross multiply
    21,617.52x = 29,832.48 × 12,057.12
  4. Step 4: Simplify right side
    21,617.52x = 359,693,791.26
  5. Step 5: Solve for x
    x = 359,693,791.26/21,617.52
  6. Step 6: Final answer
    x = 16,638.99

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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.