Home / 21,994.08-32,986.07-13,111.92

Finding the Fourth Proportional to 21,994.08, 32,986.07 and 13,111.92

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Solution

The fourth proportional to 21,994.08, 32,986.07 and 13,111.92 is: 19,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.08 : 32,986.07 = 13,111.92 : x
  2. Step 2: Convert to fraction form
    21,994.08/32,986.07 = 13,111.92/x
  3. Step 3: Cross multiply
    21,994.08x = 32,986.07 × 13,111.92
  4. Step 4: Simplify right side
    21,994.08x = 432,510,645.39
  5. Step 5: Solve for x
    x = 432,510,645.39/21,994.08
  6. Step 6: Final answer
    x = 19,664.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.