Home / 21,182.73-29,232.07-11,751.29

Finding the Fourth Proportional to 21,182.73, 29,232.07 and 11,751.29

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Solution

The fourth proportional to 21,182.73, 29,232.07 and 11,751.29 is: 16,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.73 : 29,232.07 = 11,751.29 : x
  2. Step 2: Convert to fraction form
    21,182.73/29,232.07 = 11,751.29/x
  3. Step 3: Cross multiply
    21,182.73x = 29,232.07 × 11,751.29
  4. Step 4: Simplify right side
    21,182.73x = 343,514,465.95
  5. Step 5: Solve for x
    x = 343,514,465.95/21,182.73
  6. Step 6: Final answer
    x = 16,216.73

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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.