Home / 21,607.22-29,819.68-12,050.20

Finding the Fourth Proportional to 21,607.22, 29,819.68 and 12,050.20

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Solution

The fourth proportional to 21,607.22, 29,819.68 and 12,050.20 is: 16,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.22 : 29,819.68 = 12,050.20 : x
  2. Step 2: Convert to fraction form
    21,607.22/29,819.68 = 12,050.20/x
  3. Step 3: Cross multiply
    21,607.22x = 29,819.68 × 12,050.20
  4. Step 4: Simplify right side
    21,607.22x = 359,333,107.94
  5. Step 5: Solve for x
    x = 359,333,107.94/21,607.22
  6. Step 6: Final answer
    x = 16,630.23

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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.