Home / 21,449.22-29,599.47-12,017.58

Finding the Fourth Proportional to 21,449.22, 29,599.47 and 12,017.58

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Solution

The fourth proportional to 21,449.22, 29,599.47 and 12,017.58 is: 16,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.22 : 29,599.47 = 12,017.58 : x
  2. Step 2: Convert to fraction form
    21,449.22/29,599.47 = 12,017.58/x
  3. Step 3: Cross multiply
    21,449.22x = 29,599.47 × 12,017.58
  4. Step 4: Simplify right side
    21,449.22x = 355,713,998.68
  5. Step 5: Solve for x
    x = 355,713,998.68/21,449.22
  6. Step 6: Final answer
    x = 16,584.01

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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.