Home / 15,949.68-23,879-12,667.44

Finding the Fourth Proportional to 15,949.68, 23,879 and 12,667.44

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Solution

The fourth proportional to 15,949.68, 23,879 and 12,667.44 is: 18,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.68 : 23,879 = 12,667.44 : x
  2. Step 2: Convert to fraction form
    15,949.68/23,879 = 12,667.44/x
  3. Step 3: Cross multiply
    15,949.68x = 23,879 × 12,667.44
  4. Step 4: Simplify right side
    15,949.68x = 302,485,799.76
  5. Step 5: Solve for x
    x = 302,485,799.76/15,949.68
  6. Step 6: Final answer
    x = 18,965.01

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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.