Home / 21,354.35-29,468.43-11,794.95

Finding the Fourth Proportional to 21,354.35, 29,468.43 and 11,794.95

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Solution

The fourth proportional to 21,354.35, 29,468.43 and 11,794.95 is: 16,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.35 : 29,468.43 = 11,794.95 : x
  2. Step 2: Convert to fraction form
    21,354.35/29,468.43 = 11,794.95/x
  3. Step 3: Cross multiply
    21,354.35x = 29,468.43 × 11,794.95
  4. Step 4: Simplify right side
    21,354.35x = 347,578,658.43
  5. Step 5: Solve for x
    x = 347,578,658.43/21,354.35
  6. Step 6: Final answer
    x = 16,276.72

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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.