Home / 22,008.96-33,013.44-12,146.40

Finding the Fourth Proportional to 22,008.96, 33,013.44 and 12,146.40

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Solution

The fourth proportional to 22,008.96, 33,013.44 and 12,146.40 is: 18,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.96 : 33,013.44 = 12,146.40 : x
  2. Step 2: Convert to fraction form
    22,008.96/33,013.44 = 12,146.40/x
  3. Step 3: Cross multiply
    22,008.96x = 33,013.44 × 12,146.40
  4. Step 4: Simplify right side
    22,008.96x = 400,994,447.62
  5. Step 5: Solve for x
    x = 400,994,447.62/22,008.96
  6. Step 6: Final answer
    x = 18,219.60

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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.