Home / 21,746.39-32,609.29-8,425.62

Finding the Fourth Proportional to 21,746.39, 32,609.29 and 8,425.62

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Solution

The fourth proportional to 21,746.39, 32,609.29 and 8,425.62 is: 12,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.39 : 32,609.29 = 8,425.62 : x
  2. Step 2: Convert to fraction form
    21,746.39/32,609.29 = 8,425.62/x
  3. Step 3: Cross multiply
    21,746.39x = 32,609.29 × 8,425.62
  4. Step 4: Simplify right side
    21,746.39x = 274,753,486.01
  5. Step 5: Solve for x
    x = 274,753,486.01/21,746.39
  6. Step 6: Final answer
    x = 12,634.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.