Home / 22,308.40-30,784.26-12,234.88

Finding the Fourth Proportional to 22,308.40, 30,784.26 and 12,234.88

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Solution

The fourth proportional to 22,308.40, 30,784.26 and 12,234.88 is: 16,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.40 : 30,784.26 = 12,234.88 : x
  2. Step 2: Convert to fraction form
    22,308.40/30,784.26 = 12,234.88/x
  3. Step 3: Cross multiply
    22,308.40x = 30,784.26 × 12,234.88
  4. Step 4: Simplify right side
    22,308.40x = 376,641,726.99
  5. Step 5: Solve for x
    x = 376,641,726.99/22,308.40
  6. Step 6: Final answer
    x = 16,883.40

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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.