Home / 22,209.32-30,648.50-12,137.64

Finding the Fourth Proportional to 22,209.32, 30,648.50 and 12,137.64

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Solution

The fourth proportional to 22,209.32, 30,648.50 and 12,137.64 is: 16,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.32 : 30,648.50 = 12,137.64 : x
  2. Step 2: Convert to fraction form
    22,209.32/30,648.50 = 12,137.64/x
  3. Step 3: Cross multiply
    22,209.32x = 30,648.50 × 12,137.64
  4. Step 4: Simplify right side
    22,209.32x = 372,000,459.54
  5. Step 5: Solve for x
    x = 372,000,459.54/22,209.32
  6. Step 6: Final answer
    x = 16,749.75

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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.