Home / 21,617.74-29,832.87-12,058.12

Finding the Fourth Proportional to 21,617.74, 29,832.87 and 12,058.12

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Solution

The fourth proportional to 21,617.74, 29,832.87 and 12,058.12 is: 16,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.74 : 29,832.87 = 12,058.12 : x
  2. Step 2: Convert to fraction form
    21,617.74/29,832.87 = 12,058.12/x
  3. Step 3: Cross multiply
    21,617.74x = 29,832.87 × 12,058.12
  4. Step 4: Simplify right side
    21,617.74x = 359,728,326.40
  5. Step 5: Solve for x
    x = 359,728,326.40/21,617.74
  6. Step 6: Final answer
    x = 16,640.42

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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.