Home / 21,057.41-29,058.67-11,625.77

Finding the Fourth Proportional to 21,057.41, 29,058.67 and 11,625.77

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Solution

The fourth proportional to 21,057.41, 29,058.67 and 11,625.77 is: 16,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.41 : 29,058.67 = 11,625.77 : x
  2. Step 2: Convert to fraction form
    21,057.41/29,058.67 = 11,625.77/x
  3. Step 3: Cross multiply
    21,057.41x = 29,058.67 × 11,625.77
  4. Step 4: Simplify right side
    21,057.41x = 337,829,413.93
  5. Step 5: Solve for x
    x = 337,829,413.93/21,057.41
  6. Step 6: Final answer
    x = 16,043.26

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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.