Home / 21,156.12-29,194.26-11,594.19

Finding the Fourth Proportional to 21,156.12, 29,194.26 and 11,594.19

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Solution

The fourth proportional to 21,156.12, 29,194.26 and 11,594.19 is: 15,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,156.12 : 29,194.26 = 11,594.19 : x
  2. Step 2: Convert to fraction form
    21,156.12/29,194.26 = 11,594.19/x
  3. Step 3: Cross multiply
    21,156.12x = 29,194.26 × 11,594.19
  4. Step 4: Simplify right side
    21,156.12x = 338,483,709.61
  5. Step 5: Solve for x
    x = 338,483,709.61/21,156.12
  6. Step 6: Final answer
    x = 15,999.33

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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.