Home / 19,242.88-28,843.30-12,226.03

Finding the Fourth Proportional to 19,242.88, 28,843.30 and 12,226.03

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Solution

The fourth proportional to 19,242.88, 28,843.30 and 12,226.03 is: 18,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.88 : 28,843.30 = 12,226.03 : x
  2. Step 2: Convert to fraction form
    19,242.88/28,843.30 = 12,226.03/x
  3. Step 3: Cross multiply
    19,242.88x = 28,843.30 × 12,226.03
  4. Step 4: Simplify right side
    19,242.88x = 352,639,051.10
  5. Step 5: Solve for x
    x = 352,639,051.10/19,242.88
  6. Step 6: Final answer
    x = 18,325.69

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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.