Home / 12,616.74-18,908.88-5,226.30

Finding the Fourth Proportional to 12,616.74, 18,908.88 and 5,226.30

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Solution

The fourth proportional to 12,616.74, 18,908.88 and 5,226.30 is: 7,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.74 : 18,908.88 = 5,226.30 : x
  2. Step 2: Convert to fraction form
    12,616.74/18,908.88 = 5,226.30/x
  3. Step 3: Cross multiply
    12,616.74x = 18,908.88 × 5,226.30
  4. Step 4: Simplify right side
    12,616.74x = 98,823,479.54
  5. Step 5: Solve for x
    x = 98,823,479.54/12,616.74
  6. Step 6: Final answer
    x = 7,832.73

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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.