Home / 22,320.76-30,801.44-12,249.04

Finding the Fourth Proportional to 22,320.76, 30,801.44 and 12,249.04

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Solution

The fourth proportional to 22,320.76, 30,801.44 and 12,249.04 is: 16,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.76 : 30,801.44 = 12,249.04 : x
  2. Step 2: Convert to fraction form
    22,320.76/30,801.44 = 12,249.04/x
  3. Step 3: Cross multiply
    22,320.76x = 30,801.44 × 12,249.04
  4. Step 4: Simplify right side
    22,320.76x = 377,288,070.62
  5. Step 5: Solve for x
    x = 377,288,070.62/22,320.76
  6. Step 6: Final answer
    x = 16,903.01

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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.