Home / 21,348.99-29,462.06-11,788.85

Finding the Fourth Proportional to 21,348.99, 29,462.06 and 11,788.85

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Solution

The fourth proportional to 21,348.99, 29,462.06 and 11,788.85 is: 16,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.99 : 29,462.06 = 11,788.85 : x
  2. Step 2: Convert to fraction form
    21,348.99/29,462.06 = 11,788.85/x
  3. Step 3: Cross multiply
    21,348.99x = 29,462.06 × 11,788.85
  4. Step 4: Simplify right side
    21,348.99x = 347,323,806.03
  5. Step 5: Solve for x
    x = 347,323,806.03/21,348.99
  6. Step 6: Final answer
    x = 16,268.86

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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.