Home / 21,650.52-29,873.64-12,217.32

Finding the Fourth Proportional to 21,650.52, 29,873.64 and 12,217.32

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Solution

The fourth proportional to 21,650.52, 29,873.64 and 12,217.32 is: 16,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.52 : 29,873.64 = 12,217.32 : x
  2. Step 2: Convert to fraction form
    21,650.52/29,873.64 = 12,217.32/x
  3. Step 3: Cross multiply
    21,650.52x = 29,873.64 × 12,217.32
  4. Step 4: Simplify right side
    21,650.52x = 364,975,819.44
  5. Step 5: Solve for x
    x = 364,975,819.44/21,650.52
  6. Step 6: Final answer
    x = 16,857.60

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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.