Home / 12,841.08-19,251.53-8,628.62

Finding the Fourth Proportional to 12,841.08, 19,251.53 and 8,628.62

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Solution

The fourth proportional to 12,841.08, 19,251.53 and 8,628.62 is: 12,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.08 : 19,251.53 = 8,628.62 : x
  2. Step 2: Convert to fraction form
    12,841.08/19,251.53 = 8,628.62/x
  3. Step 3: Cross multiply
    12,841.08x = 19,251.53 × 8,628.62
  4. Step 4: Simplify right side
    12,841.08x = 166,113,997.39
  5. Step 5: Solve for x
    x = 166,113,997.39/12,841.08
  6. Step 6: Final answer
    x = 12,936.14

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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.